| 400 | InvalidMinorVersion | InvalidMinorVersion | - | 诊断 |
| 400 | InvalidUtcDateFormat.Format | InvalidUtcDateFormat.Format | - | 诊断 |
| 500 | IncorrectDBInstanceState | The operation is not permitted due to status of instance. | - | 诊断 |
| 404 | InvalidDBInstance.NotFound | The specified instance is not found. | 没有找到指定的实例，请检查实例的正确性。 | 诊断 |
| 400 | PAYFOR.CREDIT_PAY_INSUFFICIENT_BALANCE | PAYFOR.CREDIT_PAY_INSUFFICIENT_BALANCE | - | 诊断 |
| 400 | TRADE_WAIT_DISTRIBUTOR_AUDIT | TRADE_WAIT_DISTRIBUTOR_AUDIT | - | 诊断 |
| 400 | InvalidTimeType.Malformed | Specified TimeType is not valid. | 无效的时间的类型，请检查。 | 诊断 |
| 400 | PRICE.ORIGIN_PRICE_ERROR | PRICE.ORIGIN_PRICE_ERROR | - | 诊断 |
| 400 | NotSupportReduceDiskSize | NotSupportReduceDiskSize | - | 诊断 |
| 400 | InvalidMinorVerison.NotFound | InvalidMinorVerison.NotFound | 操作失败，指定的小版本不存在。 | 诊断 |
| 400 | PURCHASE.EXIST_VALID_PROD_RULE_ERROR | PURCHASE.EXIST_VALID_PROD_RULE_ERROR | - | 诊断 |
| 400 | IncorrectPrimaryDBInstanceDisksize | Primary instance disk size must be less than or equal to all the read instance | 操作失败，主实例磁盘大小必须小于或等于所有读取的实例。 | 诊断 |
| 400 | InvalidDefaultVSwitch.NotFound | InvalidDefaultVSwitch.NotFound | 操作失败，在指定的VPC中找不到指定的交换机。 | 诊断 |
| 400 | CannotChangeStorageTypeForDHGWhenUpgrade | CannotChangeStorageTypeForDHGWhenUpgrade | 专享集群云盘版变配当前不支持变更存储类型。 | 诊断 |
| 400 | ByokNotAuthorizedToRds | ByokNotAuthorizedToRds | - | 诊断 |
| 400 | InvalidAvZone.Format | InvalidAvZone.Format | 操作失败，可用区不正确。请检查后重试。 | 诊断 |
| 400 | Postpaid.NotSupport | The charge type does not support for postpaid. | 操作失败，费用类型不支持后付费。 | 诊断 |
| 400 | InvalidCommodityCode.ValueNotSupported | InvalidCommodityCode.ValueNotSupported | - | 诊断 |
| 400 | IncorrectReadDBInstanceState | IncorrectReadDBInstanceState | 操作失败，只读实例不支持该操作。 | 诊断 |
| 400 | IncorrectDBInstance | IncorrectDBInstance | - | 诊断 |
| 404 | VswitchIpExhausted | No available ip in the specified vswitch. | 指定的vswitch中没有可用的IP。 | 诊断 |
| 400 | ARTICLE_STATUS_IS_INVALID | ARTICLE_STATUS_IS_INVALID | - | 诊断 |
| 400 | QUERY_COMMODITY_INFO_ERROR | QUERY_COMMODITY_INFO_ERROR | - | 诊断 |
| 400 | ORDER.COMBO_INSTANCE_NOT_ALLOW_OPERATE | ORDER.COMBO_INSTANCE_NOT_ALLOW_OPERATE | - | 诊断 |
| 400 | ORDER.ABNORMAL_RESOURCE_STATUS_FOR_RENEW | ORDER.ABNORMAL_RESOURCE_STATUS_FOR_RENEW | - | 诊断 |
| 400 | CallEcsApi.Failure | CallEcsApi.Failure | - | 诊断 |
| 400 | SYSTEM.CONCURRENT_OPERATE | SYSTEM.CONCURRENT_OPERATE | - | 诊断 |
| 400 | ARTICLE_NOT_FOUND | ARTICLE_NOT_FOUND | - | 诊断 |
| 400 | ResetAutoRenewalNotAllowed.User | Reset auto renew not allowed for current user. | 操作失败，当前用户无法重置自动续订。 | 诊断 |
| 400 | ResetAutoRenewalNotAllowed | Reset auto renew not allowed. | 操作失败，当前用户无法重置自动续订。 | 诊断 |
| 400 | InvalidInstanceLevelExtraInfo | Invalid instance level extra info. | - | 诊断 |
| 400 | InsufficientResourceCapacity | ECS class not supported in this zone | - | 诊断 |
| 403 | InvalidRandomZone.NotFound | There is no random zone for on ecs class code. | 未获取到随机可用区。 | 诊断 |
| 403 | ALI_CROUP_2_CLOUD_USER_CANNOT_BUY_NOT_INNER_COMMODITY | ALI_CROUP_2_CLOUD_USER_CANNOT_BUY_NOT_INNER_COMMODITY | - | 诊断 |
| 403 | InstanceConnectTimeoutFault | Service can not connect to instance temporarily. | 服务暂时无法连接到实例。 | 诊断 |
| 403 | InvalidSwitchTime.Format | The specified switch time is not valid. | 操作失败，切换时间无效。 | 诊断 |
| 403 | CurrentOperationInSameRegion | You can operation only different availability region. | 操作失败，只支持迁移到不同的地域。 | 诊断 |
| 403 | AvailabilityZoneDoesNotInRegion | The current zone is not in rds location configuration. | - | 诊断 |
| 403 | BinlogNotFoundFault | The available binlog does not exist in recovery time. | 恢复时不存在可用的binlog。 | 诊断 |
| 403 | TempUpgradeOrderTaskUnfinished | The temp upgrade order task does not yet finish. | - | 诊断 |
| 403 | ReadWriteSplitNetTypeTaskUnfinished | The ReadWriteSplitNetType task is initializing. | - | 诊断 |
| 403 | PriceResult.NotValid | Not obtain valid price result. | - | 诊断 |
| 403 | AccountQueryPriceFault | The account not refer to the correct order price. please contact customer service. | 该账户没有参考正确的订单价格。请联系客服。 | 诊断 |
| 403 | Account.NotCertificated | The account need to be certificated. | - | 诊断 |
| 403 | DBInstanceStorageFormatFault | The Specified DBInstanceStorage param format is not valid. | 指定的实例存储大小格式无效。
| 诊断 |
| 403 | TradeNotSupportAsyncPay | The trade does not support asyncPay. | 交易不支持异步支付。 | 诊断 |
| 403 | AvailabeIpCountLimitExceeded | The Vswitch have exceeded a available ip resource limit for creating vpc instance. | - | 诊断 |
| 403 | UnpaidOrderAlreadyExist | The current instance exist unpaid order. | - | 诊断 |
| 403 | InsufficientDBInstanceCapacity | The resource is out of usage. | - | 诊断 |
| 403 | InvalidSaleNodeExpressFault | The request not refer to the correct order sales business. please contact customer service. | - | 诊断 |
| 403 | ArrearageOrderExists | The user account had arrearage. | 当前账号欠费，请充值。 | 诊断 |
| 403 | DBInstanceOrderNotFinish | The current instance order has not finish. | 当前实例有订单未完成，请完成后重试。 | 诊断 |
| 403 | ReadonlyInstanceOrderNotFinish | The readonly instance order has not finish. | - | 诊断 |
| 403 | ConnectionStringConflictFault | The instance network type connectionString already exists. | - | 诊断 |
| 403 | InvalidClusterResourceNotSupported | You can't create the instance in the zone. | - | 诊断 |
| 403 | DBClusterNotSupported | The requested operation can't be performed while the cluster is not sale. | - | 诊断 |
| 403 | InvalidHamode.Malformed | The specified parameter "HAMode" is not valid. | - | 诊断 |
| 400 | ResourceGroupId.InValid | The Specified resource group id is not found. | 资源组ID不存在。请检查ID是否正确。 | 诊断 |
| 403 | InvalidSyncMode.Malformed | The specified parameter "SyncMode" is not valid. | - | 诊断 |
| 403 | TransformToPrePaidOrderExist | The prepaid order task already exists. | 预付费订单任务已存在。 | 诊断 |
| 403 | MigrationTaskAlreadyExists | The instance already has a migrating task. | 操作失败，已经存在迁移任务。 | 诊断 |
| 403 | InstanceNetworkTypeNotFoundFault | The specified DBInstanceNetworkType is not found. | 检查网络类型失败，实例网络类型不存在。 | 诊断 |
| 403 | CrossBackup.NotSupport | Specified region not support cross region backup. | 指定的区域不支持跨区域备份。 | 诊断 |
| 403 | VpcInstanceNetworkTypeNotSupport | The specified vpc instance is not support when the target db instanceClass is different zone. | - | 诊断 |
| 403 | InvalidSecurityGroupId.NotFound | The specified SecurityGroupId does not found. | SecurityGroupId未找到，传入安全组名称和当前实例不在同一个region下面 | 诊断 |
| 403 | MasterDBInstanceClassNotSupport | You can't create the readonly instance with the db instance class does not support. | - | 诊断 |
| 403 | ReadonlyDBInstanceClassNotSupport | You can't create the readonly instance with the master instance class does not support. | - | 诊断 |
| 403 | UserInformationIncomplete | Please complete your basic personal information first. | - | 诊断 |
| 403 | ReadonlyDBInstanceStorageExceeded | You can't create the order with the db instance because The masterInstance storage value exceeding the readonlyInstance storage value. | - | 诊断 |
| 403 | DBTDEStateNotSupport | The specified db tde state does not support this operation. | 操作失败，指定的DB TDEStatus不支持此操作。 | 诊断 |
| 403 | IncorrectEffectiveTime | The specified EffectiveTime params is not valid. | EffectiveTime参数无效。 | 诊断 |
| 403 | ClassicNetworkTypeInstanceNotSupported | The classic network dbInstance is not support. | 操作失败，经典网络不支持。 | 诊断 |
| 403 | TargetRegionNotAllowedFault | The target region does not allowed to operate when the source instance is migrating to other region. | 源实例迁移到其他区域时，不允许目标区域操作。 | 诊断 |
| 403 | SourceRegionNotAllowedFault | The source region does not allowed to migration. | 操作失败，不允许源区域进行迁移。 | 诊断 |
| 403 | SourceRegionEqualsTargetRegionNotSupported | The instance does not allowed to migrate when the target region equal the source region. | 操作失败，当前目标区域与源区域相同，不允许迁移实例。 | 诊断 |
| 403 | NoPermission.Operator | The operator is not permission for this operate. | 无权限进行此操作。 | 诊断 |
| 403 | DBInstanceStorageTypeFormatFault | The specified parameter DBInstanceStorageType is not valid. | 指定的参数DbInstanceStorage Type无效。 | 诊断 |
| 400 | InvalidExpired.Malformed | The specified "Expired" is not valid. | - | 诊断 |
| 400 | ConnectionStringContainIllegalCharacterFault | The connection string contain Illegal character. | 连接字符串内容存在非法字符错误，请修改后重试。 | 诊断 |
| 403 | OperationDenied.OutofUsage | The resource is out of usage. | 当前集群的资源不足，请选择其它可用区。 | 诊断 |
| 400 | WhitelistNetTypeFormatFault | The specified parameter WhitelistNetType is not valid. | - | 诊断 |
| 400 | MigrateAlreadyExistsFault | The rds instance already has a given vpc migrate task. | RDS实例档已存在一个VPC迁移任务。 | 诊断 |
| 400 | InvalidDBName | The specified database name is not allowed. | 数据库名称不符合要求，请确认数据名称是否正确。 | 诊断 |
| 404 | NetTypeChangeTimesExceededFault | Exceeding the daily net type change times of the DB instance. | - | 诊断 |
| 400 | QuantityExceeded | The number of order instances exceeds the limit. | 订单实例数超过限制。 | 诊断 |
| 400 | InvalidTimeType | The specified "TimeType" is not valid. | - | 诊断 |
| 400 | AccountBalanceExceeded | User attempted to create a new order.but user account balance is insufficient. | 账户余额不足100元，无法创建新订单，请先充值。 | 诊断 |
| 404 | IncorrectAccountPrivilegeType | the current account privilege type does not support this operation. | 当前账户权限类型不支持此操作
| 诊断 |
| 404 | BackupFileDataSizeExceededFault | the backup file data size is larger than the instance storage size. | 备份文件数据大小大于实例存储大小。 | 诊断 |
| 404 | IncorrectVswitchId | The specified parameter VSwitchId is not valid. | 交换机参数无效。 | 诊断 |
| 404 | InvalidRegionLimitFault | The specified region does not support to creating guard instance. | 在rds指定区域不能创建保护实例。 | 诊断 |
| 404 | DBInstanceQuotaExceededFault | User attempted to renew DBInstances and the DBInstances has already reached the maximum allowed DB Instances quota. | - | 诊断 |
| 404 | InvalidInstanceStorageType.NotFound | The specified DBInstanceStorageType is not found. | 实例存储类型参数（InstanceStorageType）未配置，请重新配置。 | 诊断 |
| 404 | InvalidClassicExpiredDays | The request is missing a ClassicExpiredDays parameter or parameter not between 1 ~ 120. | 经典网络过期不支持该保留天数，请核实经典网络过期保留策略。 | 诊断 |
| 404 | InvalidRWSplitClassicExpiredDays | The request is missing a RWSplitClassicExpiredDays parameter or parameter not between 1 ~ 60. | 请求缺少RWSplitClassicExpiredDays参数或参数不在1到60之间。 | 诊断 |
| 404 | CreatingCloneInsExceeded | The Too many clone ins is in creating. | 操作失败，正在创建的克隆过多。 | 诊断 |
| 404 | InvalidSourceDBInstance.NotFound | The specified source instance does not exist or not support. | 操作失败，指定的源实例不存在或不支持此操作。 | 诊断 |
| 404 | ReadEngineVersion.Malformed | Current readins engine version does not support operations. | 操作失败，当前readins引擎版本不支持操作。 | 诊断 |
| 404 | MultiNodeInstanceCoverRestoreUnsupported | More than 3 node instance not support covering restore. | 操作失败，超过3个节点实例不支持覆盖恢复。 | 诊断 |
| 404 | BinlogDisableRestoreUnsupported | The specified instance Disable binlog not support restore to time. | 操作失败，实例Disable binlog不支持恢复到指定的时间 | 诊断 |
| 404 | UpgradeVersionFoyMySQLUnsupported | The specified instance can not upgrade to mysql 5.7 version. | 操作失败，当前实例无法升级到mysql 5.7。 | 诊断 |
| 404 | EnterpriseUpgradeVersionUnsupported | Enterprise version not support version upgrade. | 操作失败，企业版不支持版本升级。 | 诊断 |
| 404 | DBInstanceLocked | The current instance lock mode does not support this operation. | 操作失败，当前实例已锁定。 | 诊断 |
| 404 | InvalidDBInstanceClass.NotFound | The specified instance classic does not exist. | 当前选择的配置或规格不存在或已停售，请重新选择。 | 诊断 |
| 404 | DnsConflict | Dns is conflict with other custins. | DNS与其他客户端冲突。 | 诊断 |
| 404 | InsufficientIpResourceCapacity | Ip resource is insufficient for the requested instance. | Ip资源对于请求的实例不足。 | 诊断 |
| 404 | LvsInVpc.NotSupport | The specified instance not support lvs conn type for vpc. | 操作失败，实例不支持vpc的lvs conn类型。 | 诊断 |
| 404 | ShareDBInstanceVPC.NotSupport | The share instance not support vpc. | 操作失败，共享实例不支持vpc。 | 诊断 |
| 404 | UserDatabaseExceeded | The specified instance can not contain user database. | 实例不能包含用户数据库。 | 诊断 |
| 404 | AtLeastOneCollationTimeZoneParamExists | The specified params(Collation or Timezone) at least one. | 指定的参数（排序规则或时区）至少有一个。 | 诊断 |
| 404 | DBInstanceIdsConflict | The specified DBInstanceId and the specified TargetDBInstanceId ares same. | 操作失败，源库实例ID和目标库实例ID相同。 | 诊断 |
| 404 | TargetInstanceForRegionIdUnsupported | The instance regionId is not the same as the target instance regionId. | 实例regionId与目标实例regionId不一致，请检查。 | 诊断 |
| 404 | InvalidBackupDBNames.Malformed | The specified backup database is not valid. | 操作失败，指定的备份数据库无效。 | 诊断 |
| 404 | InvalidLogBackupLocalRetentionSpace.Malformed | The specified LogBackupLocalRetentionSpace is not valid. | 日志备份频率（LogBackupFrequency）无效，请检查参数是否正确。 | 诊断 |
| 404 | BackupFilesExceeded | Too many backup files were supplied. This task type only support one full backup file. | 此任务类型仅支持一个完整备份文件。 | 诊断 |
| 404 | TargetInstanceEngineNotSupported | The specified Engine cannot be supported the operation. | 操作失败，引擎不支持此操作。 | 诊断 |
| 404 | InvalidBackupDBNames.NotFound | The specified BackupDBNames is not found. | 操作失败，数据库实例名称为空。 | 诊断 |
| 400 | IncorrectCompressType | Compress Type is Invalid. | 压缩方式无效。 | 诊断 |
| 400 | InvalidBackupRetention.QuotaExceeded | Backup Retention Quota Exceeded. | - | 诊断 |
| 400 | InvalidRecoveryDBNames.Format | The specified parameter DBNames is not valid. | 实例名称无效，请检查参数是否正确。 | 诊断 |
| 400 | EndTimeExceededRange | The EndTime is not within the service active time range. | 结束时间不在服务活动时间范围内。 | 诊断 |
| 404 | DBNotFoundFault | The operation is not permitted due to status of the database is empty. | 操作失败，数据库当前状态为空，不支持此操作。 | 诊断 |
| 400 | AtLeastTwoVSwitchParamExists | The specified params(Vswitchs) at least two. | 指定的参数（Vswitchs）至少有两个，可用区和Vswitchs对应。 | 诊断 |
| 400 | InvalidBackupIdOrRestoreTime.NotFound | The specified parameter BackupId or RestoreTime is not valid. | 操作失败，参数BackupId或RestoreTime无效。 | 诊断 |
| 400 | InvalidOrderDateFault | The request not refer to the correct order date. please check your Period or UsedTime param. | 请求未提及正确的订单日期。请检查当前订单的周期或UsedTime参数。 | 诊断 |
| 400 | VpcDoesNotCoverVSwitch | The Vpc does not cover to the VSwitch. | 操作失败，交换机没有在当前VPC下。 | 诊断 |
| 400 | OperationDenied.NoPermission | The user are not authorized to do this action. You should be authorized by product manager. | 用户无权执行此操作。 | 诊断 |
| 404 | ReadonlyDBInstanceExceeded | Current DB Instance exceeding the allowed amount of read instance. | 操作失败，当前数据库实例超过了允许的读取实例数量。 | 诊断 |
| 403 | INST_HAS_UNPAID_ORDER | The specified db instance has unpaid order. | - | 诊断 |
| 400 | IpAddressLimitExceeded | You've reached the limit on your Ip usage. | - | 诊断 |
| 403 | OperationDenied.Resource | Specified DB instance class or storage is not available in the specified Availability Zone. | 可用区资源不足，请稍后重试。 | 诊断 |
| 400 | InvalidDBInstanceId.NotFound | DBInstanceIdentifier does not refer to an existing DB instance. | 实例标识符不在现有数据库实例范围内。 | 诊断 |
| 404 | InvalidDBInstanceId.NotFound | The specified instance is not found. | 实例不存在。请确认该实例是否在当前账号下。 | 诊断 |
| 404 | Forbidden.InstanceNotFound | The specified instance is not found. | 当前实例不存在，请检查该实例是否存在，未被删除。 | 诊断 |
| 400 | OperationDenied.MasterDBInstanceState | The specified DB instance is not in the available state. | 操作失败，当前实例状态不允许此操作，请确保实例状态为运行中。 | 诊断 |
| 400 | ReadonlyDBInstanceQuotaExceeded | Request would result in user exceeding the allowed number of DB instances. | 已达只读实例Quota限制。如果主实例规格内存大于等于 64G，则最多允许创建10个只读实例。
默认是5个。如果需要更多，请联系客服同学或请提交工单。 | 诊断 |
| 400 | StorageQuotaExceeded | Request would result in user exceeding the allowed amount of storage available across all DB instances. | 操作失败，当前请求已超出所有数据库实例可用的存储空间。 | 诊断 |
| 400 | OrderQuotaExceeded | Request would result in user exceeding the allowed amount of Postpaid instance across all DB instances. | 操作失败，超过后付费实例数量限制。 | 诊断 |
| 500 | InternalError | The request processing has failed because of an unknown error, exception or failure. | 请求失败，请稍后重试。 | 诊断 |
| 400 | InvalidSaleBusinessFault | The request not refer to the correct order sales business. please contact customer service. | 询价失败，请联系客服同学。 | 诊断 |
| 400 | InvalidOrderPreiodFault | The request not refer to the correct order preiod. please check your Period or UsedTime param. | 操作失败，预付费实例询价失败，请设置您的续费周期。 | 诊断 |
| 404 | InsufficientBalance | Your account does not have enough balance. | 账户余额不足，请先充值。 | 诊断 |
| 400 | InvalidSalePriceFault | The request not refer to the correct order price. please contact customer service. | 询价失败，请联系客服同学。 | 诊断 |
| 400 | QueryCreditCtl.Failed | query credit ctrl failed. | - | 诊断 |
| 400 | QueryPrice.UnfinishedOrder | Unfinished order exists | 存在未完成订单。 | 诊断 |
| 403 | PayDeniedFault | You can not complete the payment due to the pay system reasons. please contact customer service. | 订单支付失败，请您稍后重试。 | 诊断 |
| 400 | RequestFrequencyExceeded | The order request is too much | 操作失败，当前订单请求太多。 | 诊断 |
| 403 | Forbidden.RiskControl | This operation is forbidden by Aliyun RiskControl system. | 操作失败，该操作存在风险。请检查后再重试。 | 诊断 |
| 403 | InvalidCommodityCode.Malformed | The Specified parameter CommodityCode is not valid. | 商品Code不正确。 | 诊断 |
| 403 | InvalidSaleComponentFault | The request not refer to the correct order sale component. please contact customer service. | 询价失败，请联系客服同学。 | 诊断 |
| 403 | InvalidRatingPriceFault | The request not refer to the correct rating price . please contact customer service. | - | 诊断 |
| 403 | InvalidInquiryPriceFault | The request not refer to the correct order price. please contact customer service. | 询价错误，请联系客服同学。 | 诊断 |
| 403 | InvalidInquiryPriceParamFault | The request not refer to the correct order price param. please contact customer service. | 操作失败，询价错误，请联系客服。 | 诊断 |
| 403 | ProcuceLimited | The Service User is limited to produce. please contact customer service. | 用户权限不足。 | 诊断 |
| 403 | InvalidPriceTaxingFault | The taxing price is not correct. please contact customer service. | 操作失败，询价错误，请提交工单咨询。 | 诊断 |
| 403 | InvalidPricePlanResult.NotFound | The price plan result does not refer to the account. Please check instance class. | 询价错误,请提交工单咨询。 | 诊断 |
| 403 | UnsettledBills | The specified Instance has unsettled bills. | 汇金业务错误。 | 诊断 |
| 403 | OperationDenied.NoPermission | You are not authorized to do this action. You should be authorized by RAM. | 权限不足，请先通过Ram完成授权。 | 诊断 |
| 400 | OrderCreatedFault | You can not create the order due to the system reasons. please contact customer service. | 操作失败，当前由于系统原因无法创建订单。请提交工单处理。 | 诊断 |
| 403 | InvalidPayMethod | The specified pay method is not valid. | 无效的支付方式，请更换其他支付方式。 | 诊断 |
| 403 | InvalidAccountStatus.NotEnoughBalance | Your account does not have enough balance. | 账号余额不足。请充值。 | 诊断 |
| 400 | OrderQuotaExceeded | Oops, unable to complete your payment. The reason for this error may be due to one of the following: 1. Your bank account funds are insufficient. 2. Your account is not yet verified. 3. You have already exceeded the maximum limit of RDS instances. | 无法完成当前付款。此错误的原因可能是以下原因之一：1.您的银行账户资金不足。2.您的账户尚未验证。3.您已经超过RDS实例的最大限制。 | 诊断 |
| 403 | COMMODITY.FAILED | The commodity is error. | 服务器异常，请提交运维同学处理。 | 诊断 |
| 403 | MoneyLessThan100 | The Account Monet less Than 100. | 当前阿里云账号余额不足100，请充值。 | 诊断 |
| 403 | InvalidOrderCharge.NotPay | The specified parameter OrderCharge is not pay. | 当前存在未支付订单，请先结算或作废订单后重试。 | 诊断 |
| 403 | RealNameAuthenticationError | Your account has not passed the real-name authentication yet. | 操作失败。请先完成账号实名认证。 | 诊断 |
| 400 | ReplicaAlreadyExists | The source DBInstanceId already bound to a replica. | 操作失败，当前实例已经存在备份。 | 诊断 |
| 400 | EngineVersionNotSupported | EngineVersion specified cannot be replicate with the source DB Instance. | 当前数据库引擎版本不支持克隆实例。 | 诊断 |
| 400 | EngineNotSupported | Engine specified cannot be supported the operation. | 操作失败，当前引擎不支持此操作，请升级内核小版本。 | 诊断 |
| 400 | DomainModeNotSupported | DomainMode specified cannot be supported the operation. | - | 诊断 |
| 400 | CreateBackupJobAlreadyExists | The source DBInstanceId is backuping,unable to create guard instance. | 创建灾备实例失败，该实例正在备份中。 | 诊断 |
| 400 | InvalidInstanceStateFault | The DB instance is not in a valid state. | 操作失败，当前实例不可用。 | 诊断 |
| 400 | AccessBlsDeniedException | BLS server error. please contact customer service. | BLS服务错误。 | 诊断 |
| 400 | InvalidPageSize.Malformed | The PageSize query string is malformed or does not adhere to standards. | PageSize查询参数格式不正确或不符合规范。 | 诊断 |
| 404 | InvalidDB.NotFound | The Specified db does not exist or DB status does not support. | 操作失败，当前数据库不存在或数据库状态不支持，请查看数据库信息，确保数据库存在并且数据库状态为运行中。 | 诊断 |
| 404 | InvalidDB.NotFound | The specified db does not exist or DB status does not support this operation. | 操作失败，数据库不存在或者数据库状态不支持此操作。请查看数据库信息，确保数据库存在并且数据库状态为运行中。 | 诊断 |
| 404 | InvalidEngine.NotFound | Specified engine does not exist or engine version does not support this operation. | 数据库版本不支持。 | 诊断 |
| 400 | InvalidTaskId.NotFound | The TaskId is not found. | 任务ID不存在，请您检查该任务ID是否正确。 | 诊断 |
| 400 | InvalidBusinessInfo.Malformed | The specified parameter BusinessInfo is not valid. | 当前BusinessInfo参数无效，请重新设置。 | 诊断 |
| 400 | MissingObject | The specified parameter Object is not found. | 操作失败，备份文件不存在。 | 诊断 |
| 400 | MissingBucket | The specified parameter Bucket is not found. | OSS Bucket不存在。请您创建对应地域的Bucket。 | 诊断 |
| 400 | MissingLocation | The specified parameter Location is not found. | 备份文件的位置信息不存在。请选择备份文件正确的存储位置。 | 诊断 |
| 400 | InvalidBackupFile.Malformed | The specified parameter BackupFile(BackupId or RestoreTime or BackupFile) is not valid. | 操作失败，备份文件格式不正确，请检查。 | 诊断 |
| 404 | InvalidOssObject.NotFound | The Object not found in Oss. | 指定的对象在OSS中不存在。 | 诊断 |
| 403 | OperationDenied.IncorrectTaskStatus | The operation is not permitted due to status of the task. | 操作失败，任务状态无效。 | 诊断 |
| 403 | OperationDenied.LockMode | The operation is not permitted when the instance locked. | 操作失败，实例锁定中。可能账户余额不足，请续费后解锁实例。 | 诊断 |
| 403 | OperationDenied.IncorrectMigrationStatus | Migration status does not support this operation. | 操作失败，迁移状态不支持。 | 诊断 |
| 404 | InvalidMigrationID.NotFound | The specified migration record does not exist. | 该迁移记录不存在，请确认。 | 诊断 |
| 403 | OperationDenied.PayType | The operation is not permitted due to pay type of instance. | 操作失败，实例当前计费模式不支持此操作。 | 诊断 |
| 403 | OperationDenied.PayType | PayType in request is not actual payType. | - | 诊断 |
| 403 | OperationDenied.VSwitchNotAccess | No availble vSwitch. | VSwitch无效，请检查该参数是否正确。 | 诊断 |
| 403 | OperationDenied.ClusterNotAccess | No availble cluster. | 集群无效。 | 诊断 |
| 403 | OperationDenied.SQLLogActiveStatus | The operation is not permitted due to SQLLogActive status. | 指定的SQLLogActive无效，请检查该参数是否正确。 | 诊断 |
| 403 | OperationDenied.ClassicNetworkNotSupported | The operation is not permitted due to ClassicNetwork instance. | 操作失败，经典网络实例暂不支持该操作。 | 诊断 |
| 403 | OperationDenied.DBInstanceSyncMode | The operation is not permitted due to instance sync mode. | 操作失败，同步模式无效。请检查参数SyncMode的正确性。 | 诊断 |
| 403 | OperationDenied.AutoPay | The operation is not permitted due to autoPay no supported. | 该产品暂不支持自动续费。 | 诊断 |
| 403 | OperationDenied.BidInvalid | The operation is not permitted due to ownerId or resourceOwnerId. | 操作失败，当前ownerId或者resourceOwnerId权限不够，请使用更高级权限的ownerId或者resourceOwnerId进行操作。 | 诊断 |
| 403 | OperationDenied.AccountNoFound | The specified ownerId or resourceOwnerId is not found. | 没有找到指定的ownerId，请检查ownerId的正确性。 | 诊断 |
| 403 | OperationDenied.DBInstanceUseTypeNotSupport | The specified dbinstance use type is not found. | 操作失败，当前实例类型不支持此操作。 | 诊断 |
| 403 | OperationDenied.AutoRenewNotSupport | The specified parameter AutoRenew is not support. | 操作失败，仅包年包月支持自动续费功能。 | 诊断 |
| 404 | FUWU_BIZ_COMMODITY_VERIFY_FAIL_NO_NAME_AUTHENTICATION | ?? | - | 诊断 |
| 400 | IdempotenceParamNotMatch | The specified parameter not match. | 参数不匹配。 | 诊断 |
| 400 | DefaultVpc.NotSupport | The default VPC is not supported. | 操作失败，您的阿里云账号不支持默认VPC网络，请先创建VPC网络和交换机。 | 诊断 |
| 400 | Forbidden.RegionNotFound | The provided RegionId does not exist. | 提供的区域标识不存在。 | 诊断 |
| 400 | ClassicNetworkType.NotSupport | The Classic networkType is not supported. | 操作失败，当前实例不支持创建经典网络类型，请创建其他网络类型的实例。 | 诊断 |
| 400 | InvalidVpcIdOrVswitchId.NotSupported | The specified vpcId or vSwitchId is not supported. | 指定的vpcId或者vSwitchId不支持，请检查实例信息 | 诊断 |
| 400 | InvalidVpcId.NotSupported | The specified vpcId or vSwitchId is not supported. | 操作失败，VPC或交换机不正确。请检查VPC或交换机是否和RDS在同一可用区。 | 诊断 |
| 400 | InvalidVSwitchId.NotSupported | The specified VPC zone is not supported. | 当前可用区不支持生产VPC实例，请您迁移可用区后重新尝试。 | 诊断 |
| 400 | InvalidVSwitchId.NotSupported | The specified VSwitchId zone is not supported. | 不支持的虚拟交换机Id。请您检查虚拟交换机Id是否正确。 | 诊断 |
| 400 | InvalidQuantity.NotSupported | The specified instance quantity is not supported. | 实例数量不符合订购限制，请检查。 | 诊断 |
| 400 | InvalidCloudInstanceIp.NotFound | The specified cloud instance ip is not exist. | 操作失败。IP地址不存在，请确认。 | 诊断 |
| 400 | InvalidRestoreTime.Malformed | The specified retain instance is not valid. | 恢复时间的格式不正确。正确格式：2001.07.04 AD at 12:08:56 PDT。 | 诊断 |
| 400 | InvalidRestoreTime.Malformed | The specified parameter "RestoreTime" is not valid. | 操作失败，选择的时间格式不正确，请重新选择时间。
1、格式要求为标准GMT格式，即YYYY-MM-DDThh:mmZ。例如：2017-05-30T03:29:10.
2、备份、克隆时，请检查所选择的时间点是否有备份集。 | 诊断 |
| 404 | InvalidBackupId.NotFound | The BackupId provided does not exist. | 备份集不存在。克隆实例或创建临时实例时，请先确认传入的备份集无误。 | 诊断 |
| 403 | OperationDenied.NotFoundBackup | The operation is not permitted due to no backup. | 操作失败，克隆的备份集不存在。请查看已存在的备份集。 | 诊断 |
| 403 | AtLeastOneBackupParamExists | The specified params(BackupId or RestoreTime or BackupFile) at least one. | 操作失败，您至少需要填写backupid、restoretime或BackupFile中的一个。 | 诊断 |
| 403 | OperationDenied.NotFoundBackupSetIdOrRestoreTime | The operation is not permitted due to no backupSetId or restoreTime. | 未获取备份集ID或恢复时间，无法执行该操作。 | 诊断 |
| 403 | OperationDenied.BackupMethod | The operation is not permitted method of backup. | 操作失败，备份方式不支持该操作，请检查该参数是否正确。 | 诊断 |
| 403 | OperationDenied.BackupLogStatus | The Current backup log enable status does not support this operation. | 备份日志在启用状态下不支持该操作。 | 诊断 |
| 403 | OperationDenied.SecurityIPListDuplicate | The Specified same security IP already exists. | 指定的IP已经存在，请您重新填写IP。 | 诊断 |
| 403 | OperationDenied.BackupSetDeleteNotSupport | The Specified backup does not support this operation. | 当前备份集不支持删除 | 诊断 |
| 403 | OperationDenied.TaskDuplicated | The current task duplicated in the instance. | 操作失败，相同的请求任务正在运行，请稍后再试。 | 诊断 |
| 403 | Invalid.DbInstanceNetType | The specified parameter DbInstanceNetType is not valid. | 实例网络类型无效。请设置为Internet（经典网络）或Intranet（专有网络）。 | 诊断 |
| 400 | InvalidRegion.NotSupported | The specified parameter Regionis not valid. | 当前Region参数无效，请重新设置。 | 诊断 |
| 403 | QuotaExceeded.ReadonlyDBInstanceCount | The quota of primary instance mounted read only instance. | 主实例的配额只读取实例。 | 诊断 |
| 403 | OperationDenied.PrimaryDBInstanceType | The operation is not permitted due to type of primary instance. | 操作失败，请检查实例状态是否为运行中，只读实例不支持克隆和备份实例。 | 诊断 |
| 404 | InvalidZoneId.NotFound | The provided ZoneId does not exist. | 当前选择的可用区不存在或未开放，请重新选择。 | 诊断 |
| 404 | InvalidLogRetention.NotSupport | The specified log retention is not valid,The current instance type does not support this operation. | 无效的日志留存时长。请重新配置，有效值为 1 - 1000天。 | 诊断 |
| 403 | QuotaExceeded.Upload | The quota of file exceeds. | 已超过文件数量上限。 | 诊断 |
| 403 | ChargeTypeViolation | The operation is not permitted due to charge type of the instance. | 操作失败。按量付费的实例不支持续费。请先转换为包年包月实例。 | 诊断 |
| 403 | System.Error | The operation is error for current isntance. | 操作失败。 | 诊断 |
| 400 | InvalidEngine.Malformed | The specified parameter Engine is not valid. | 当前Engine参数无效，请重新设置Engine参数。 | 诊断 |
| 400 | InvalidAction | Specified action is not valid. | 不支持当前操作。 | 诊断 |
| 400 | InvalidDBinstanceNetType.ValueNotSupport | The specified parameter DBinstanceNetType is not valid. | 实例网络连接类型不正确。 | 诊断 |
| 400 | InvalidDBInstanceType.VNotSupport | The specified parameter DBInstanceType is not valid. | 数据库类型无效，请重新设置DBInstanceType参数。 | 诊断 |
| 400 | InvalidExpirePeriod.Malformed | The specified parameter "ExpirePeriod" is not valid. | 失效天数设置失败。失效天数设置范围：1-180天。 | 诊断 |
| 400 | InvalidEngineVersion.NotSupport | The specified parameter "EngineVersion" is not valid. | 无效的引擎版本参数。请重新设置：MySQL：5.5/5.6/5.7；SQLServer：2008r2/2012；PostgreSQL：9.4；PPAS：9.3。 | 诊断 |
| 400 | InvalidEngine.NotSupport | The specified parameter "Engine" is not valid. | 数据库引擎类型无效。 | 诊断 |
| 400 | InvalidLogBackupRetentionPeriod.Malformed | The Specified LogBackupRetentionPeriod is not valid. | LogBackupRetentionPeriod参数不符合要求，请检查。 | 诊断 |
| 400 | IncorrectDBInstanceType.ChildDBInstanceNotSupport | The operation is not permitted due to instance type. | 操作失败，当前实例类型不支持克隆案例。 | 诊断 |
| 403 | OperationDenied.BackupStatus | The operation is not permitted due to status of instance backup. | 备份失败，备份集状态不支持此操作，当数据备份存储状态为Enabled时才支持备份。 | 诊断 |
| 404 | InvalidBackupID.NotFound | The BackupID provided does not exist. | 备份集不存在。克隆实例或创建临时实例时，请先确认传入的备份集无误。 | 诊断 |
| 404 | QuotaExceeded.BackupExtractFinished | The Specified OAS backup set had extracted finish. | 该OAS备份集已经提取完成。 | 诊断 |
| 400 | QuotaExceeded.OASExtractTimesExceeded | The Current DB Instance backup set had extracted too many times from OAS today. | 当前的实例备份集已超过当日最大可提取OAS次数限制。 | 诊断 |
| 400 | InvalidDBInfo.Malformed | The specified parameter DBInfo is not valid or db not exist. | DBInfo参数无效或数据库不存在。 | 诊断 |
| 403 | OperationDenied.Region | The operation is not permitted due to different region. | 操作失败，当前区域不支持此操作。 | 诊断 |
| 403 | OperationDenied.DBInstanceId | The operation is not permitted due to DBInstanceId and SourceDBInstanceId is same. | 操作失败，源实例和目标实例名称重复。请修改实例名称。 | 诊断 |
| 400 | InvalidFileName.Malformed | The specified parameter FileName is not valid. | 参数FileName无效，请检查该参数的正确性。 | 诊断 |
| 404 | InvalidFileName.NotFound | The FileName provided does not exist. | 未找到提交的文件信息，请检查 | 诊断 |
| 400 | InvalidFileName.NotCompleted | The specified FileName is not completed. | 当前FileName不完整，请重新设置FileName。 | 诊断 |
| 400 | InvalidFileName.NotAvailable | The specified FileName is not Available. | 操作失败，当前FileName参数值无效，请重新设置参数值。 | 诊断 |
| 403 | QuotaExceeded.FileSize | The quota of file size exceeds. | 已超过最大文件的限制。请修改文件的大小。 | 诊断 |
| 403 | InvalidIsLockTable.Malformed | The specified parameter IsLockTable is not valid. | 当前IsLockTable参数无效，请重新设置正确参数。 | 诊断 |
| 400 | InvalidDBInstanceId.MalFormed | The specified parameter DBInstanceId is not valid. | 实例ID无效，请检查实例ID是否存在。 | 诊断 |
| 400 | ParameterLeastAssociate | Must input at least one optional parameter. | 还原时间或备份集不能同时为空，请设置后重试。 | 诊断 |
| 400 | InvalidPeriod.Malformed | The Specified parameter "Period" is not valid. | 实例创建失败，参数Period格式不正确。正确格式：[Year,Month]。 | 诊断 |
| 400 | PARAMETER_MUST_NOT_NULL | The parameter must not be null. | 参数不允许为空，请检查参数的正确性。 | 诊断 |
| 400 | PARAMETER_ERROR | The parameter must not be null. | 参数值为空。请先设置参数值。 | 诊断 |
| 404 | IntranetNetTypeNotExists | You need to apply for an intranet address before switching to VPC. | 切换VPC前，请先申请公网连接地址。 | 诊断 |
| 400 | InvalidVSwitchId.Mismatch | Specified instance and vSwitch are not in the same zone. | 操作失败，RDS实例与交换机的可用区不同。请确保RDS实例与交换机在同一可用区。
| 诊断 |
| 404 | InvalidVPCId.NotFound | Specified VPC ID is not found. | VPC IP不存在，请重新设置。 | 诊断 |
| 400 | InvalidVSwitchId.NotFound | Specified vSwitch is not found in specified VPC. | 当前VPC内无可用交换机。 | 诊断 |
| 400 | VpcIzNoNotEqualsRdsMultIzNo | Specified VPC IzNo does not equal to RDS IzNo. | 当前VPC的可用区和RDS的可用区不匹配，请确保两者的可用区一致。 | 诊断 |
| 403 | OperationDenied | VPC system error, please check params. | - | 诊断 |
| 400 | InvalidPrivateIpAddress.Mismatch | Specified private IP address is not in the CIDR block of virtual switch. | VPC地址无效。 | 诊断 |
| 400 | IncorrectVpcId.Mismatch | The specified parameter "VpcId " is not valid. | VpcID不存在，请核实并提交正确的VpcID信息。 | 诊断 |
| 400 | InvalidInstanceNetworkType.ValueNotSupported | The specified parameter "InstanceNetworkType" is not valid. | 网络类型验证失败，支持的网络类型为VPC和Classic。 | 诊断 |
| 403 | OperationDenied.CloudInstanceIdDuplicated | The CloudInstanceId duplicated | 操作失败，CloudInstanceId重复。 | 诊断 |
| 400 | OperationDenied.ReadDBInstanceStatus | The readOnly instance status does not support this operation. | 操作失败，当前实例状态不允许此操作，请确保实例状态为运行中。 | 诊断 |
| 400 | InvalidIzNo.NotSupported | Specified VPC zone is not supported. |
VPC的可用区不匹配，请修改后重试。 | 诊断 |
| 403 | OperationDenied.Switch | Specified instance can not be switched to VPC. | 操作失败，指定的实例无法切换到VPC。 | 诊断 |
| 403 | Exceeded.SlaveLag | The slave lag exceeds. | 已达备日志上限。 | 诊断 |
| 403 | LockTimeout | The request processing has failed due to lock timeout. | 由于锁定超时，请求处理失败。 | 诊断 |
| 403 | Exceeded.BackupTimes | The backup times exceeds. | 指定的BackupTimes信息无效 | 诊断 |
| 404 | InvalidDBInstanceId.NotFound | The DBInstanceId provided does not exist. | 实例不存在。请确认该实例是否在当前账号下。 | 诊断 |
| 400 | InvalidDBInstanceStorage.NotSupported | The specified parameter "DBInstanceStorage" is not valid. | DBInstanceStorage参数无效，请检查。 | 诊断 |
| 400 | MissingParameter | The input parameters "DBInstanceClass" and "DBInstanceStorage" all blank or no change. | - | 诊断 |
| 400 | OperationDenied.DBInstanceType | The operation is not permitted due to type of the instance. | 操作失败，只读实例不支持克隆。请检查实例类型。 | 诊断 |
| 403 | OperationDenied.DBInstanceStorageReduce | The operation is not permitted due to reduce storage. | 已超过磁盘空间上限。请清理磁盘空间，或扩大磁盘空间。 | 诊断 |
| 403 | InvaildDBInstanceClassInRegion.NotAvailable | The DBInstanceClass in the Region is not available. | 实例规格不支持。可通过API调用DescribeAvailableClasses接口，查询实例可购买规格，包括规格代码和存储空间。 | 诊断 |
| 403 | OperationDenied.DBInstanceStatus | The operation is not permitted due to instance status. | 操作失败，当前实例状态不支持该操作，请在状态为运行中的实例中进行该操作。 | 诊断 |
| 400 | InvalidDBInfo.Format | The specified parameter "SourceDatabaseUserName" is not valid. | 参数SourceDatabaseUserName无效，请检查该参数的正确性。 | 诊断 |
| 400 | InvalidQueryTime.Format | he specified parameter "QueryTime" is not valid. | 参数QueryTime无效。 | 诊断 |
| 400 | InvalidSourceDatabasePort.Malformed | The specified parameter SourceDatabasePort is not valid. | SourceDatabasePort参数值无效。请设置正确的参数取值。 | 诊断 |
| 400 | InvalidImportDataType.Malformed | The specified parameter 'ImportDataType' is not valid. | 参数ImportDataType无效。请设置为Full（全量）或Incremental（增量）。 | 诊断 |
| 400 | OperationDenied.DBInstnceInRegion | The operation is not permitted due to DBInstance in the region. | 操作失败，当前地域的数据库不支持该操作。 | 诊断 |
| 404 | InvalidOrderCharge.NotSupport | The specified order charge does not support in RDS. | 操作失败，RDS支持Prepaid（包年包月）和Postpaid（按量付费）两种计费方式，请设置正确的实例PayType（付费类型）。 | 诊断 |
| 404 | InvalidDBInstanceIdUseType | InvalidDBInstanceIdUseType. | 无效的数据库实例ID。 | 诊断 |
| 403 | PurchaseRecord.Illegal | Illegal purchase record. | bizType或extend1非法。 | 诊断 |
| 403 | OperationDenied.OrderUnPaid | The operation is not permitted due to the wrong Order status (Unpaid). | 操作失败，存在未支付的订单。请在账户总览中查看。 | 诊断 |
| 403 | OperationDenied.BackupMethod | The operation is not permitted due to BackupMethod no supported. | 当前操作不被允许的备份方法。 | 诊断 |
| 403 | InvalidForceType.Malformed | The specified parameter "Force" is not valid. | - | 诊断 |
| 403 | InvalidSwitchType.Malformed | The specified parameter InvalidSwitchType is not valid. | 参数InvalidSwitchType无效。 | 诊断 |
| 403 | OperationDenied.HaStatus | The operation is not permitted due to haStatus no supported. | 操作失败，不支持hastatus，因此不允许该操作。 | 诊断 |
| 404 | QuotaExceeded.TagOnDBInstance | The quota of tag on DBInstance exceeds. | 操作失败，实例支持的标签数量已达上限。 | 诊断 |
| 400 | Tag.Mismatch | Tag-Key and InvalidDBInstanceName.NotFoundag-Value is mismatch. | Tag Key 与instanceId不匹配。 | 诊断 |
| 400 | InvalidTag.1.key.Malformed | The specified parameter 'Tag.1.key' is not valid. | Tag.1.key验证失败。 | 诊断 |
| 400 | InvalidTag.2.key.Malformed | The specified parameter 'Tag.2.key' is not valid. | 标签设置不正确。 | 诊断 |
| 400 | InvalidTag.3.key.Malformed | The specified parameter 'Tag.3.key' is not valid. | 操作失败，当前Tag.3.key验证失败，请设置正确的值。 | 诊断 |
| 400 | InvalidTag.4.key.Malformed | The specified parameter 'Tag.4.key' is not valid. | 验证标签键失败。请检查参数Tag.4.key的正确性。TagKey不能为空，TagValue可以为空。 | 诊断 |
| 400 | InvalidTag.5.key.Malformed | The specified parameter 'Tag.5.key' is not valid. | 标签设置失败。 | 诊断 |
| 400 | InvalidTag.1.value.Malformed | The specified parameter 'Tag.1.value' is not valid. | 标签设置失败。 | 诊断 |
| 400 | InvalidTag.2.value.Malformed | The specified parameter 'Tag.2.value' is not valid. | 无效的参数Tag.2.value。 | 诊断 |
| 400 | InvalidTag.3.value.Malformed | The specified parameter 'Tag.3.value' is not valid. | 标签设置不正确。 | 诊断 |
| 400 | InvalidTag.4.value.Malformed | The specified parameter 'Tag.4.value' is not valid. | 标签值验证失败，请选择或设置正确的值。 | 诊断 |
| 400 | InvalidTag.5.value.Malformed | The specified parameter 'Tag.5.value' is not valid. | 标签设置不正确。 | 诊断 |
| 400 | Tag.Malformed | The specified parameter Tag is not valid. | 该实例绑定的标签无效。请重新创建并绑定标签。 | 诊断 |
| 400 | Tag.Malformed | The specified parameter Value is not valid. | 当前指定的标签参数值无效，请检查标签参数正确性。 | 诊断 |
| 400 | Tag.NoRegionIdExist | the region Id can not be blank. | 地域ID不能为空，请设置RegionId参数值。 | 诊断 |
| 400 | Tag.NoTagInfoExist | all the tags and tagN parameters is null. | 参数信息Tag无效或错误，请检查。 | 诊断 |
| 400 | Tag.TagKeyCanNotBeAll | tag key can not be all. | 操作失败，请设置合理的TagKey值。 | 诊断 |
| 400 | Tag.TagKeyDuplex | tag key must be sole in one operation. | 实例已关联此标签，请定义新的标签。 | 诊断 |
| 400 | Tag.NoDBInstanceIdExist | the dbinstance Id can not be blank. | 数据库实例ID不能为空，请检查是否正确。 | 诊断 |
| 400 | Tag.TooManyDBInstanceIds | the dbinstance Ids is more than 30. | 数据库实例ID超过30个。 | 诊断 |
| 400 | Tag.TooManyTagsForOneInstance | total 10 tags can be added to one resource. | 已超过资源Tag数量的上限（上限：10个）。请您不要超量添加。 | 诊断 |
| 400 | Tag.SetTagInfoAtTwoParamters | only tags or tagN parameter could be setted. | 标签设置不正确。 | 诊断 |
| 400 | Tag.Allow5TagInfos | only 5 tags allowed in one operation. | 操作失败。一次最多可以使用5个标记。 | 诊断 |
| 400 | Tag.TagKeyIsBlank | tag key can not be blank. | 标签设置不正确。标签键不能为空。 | 诊断 |
| 400 | Tag.TagKeyStartWith.aliyun | tag key and value can not be started with aliyun. | 标签设置不正确。标签键不能以aliyun为开头。 | 诊断 |
| 400 | Tag.TagKeyTooLong | the max tag key's length is 64. | - | 诊断 |
| 400 | Tag.TagValueTooLong | the max tag value's length is 128. | - | 诊断 |
| 400 | Tag.InvalidTagsParamter | tags paramter is invalid. | - | 诊断 |
| 400 | OperationDenied.TimePeriod | The specified parameter "TimePeriod" is not valid. | 操作失败，时间周期设置不正确。 | 诊断 |
| 400 | InvalidStartTime.Malformed | The specified parameter "StartTime" is not valid. | 开始时间的格式不正确。格式要求为标准GMT格式，即YYYY-MM-DDThh:mmZ。示例如下：
DescribeDBInstancePerformance：2012-06-11T15:00Z。
DescribeErrorLogs：2011-06-11T16:00Z。 | 诊断 |
| 400 | InvalidEndTime.Malformed | The specified parameter "EndTime" is before this service active time. | - | 诊断 |
| 400 | InvalidEndTime.Malformed | The specified parameter "EndTime" is not valid. | 操作失败，结束时间格式不正确。格式要求为标准GMT格式，即YYYY-MM-DDThh:mmZ。例如：2012-06-11T15:00Z。 | 诊断 |
| 403 | OperationDenied.EnabledSSLNotSupport | The specified parameter "EnabledSSL" is not valid. | EnabledSSL参数无效。 | 诊断 |
| 403 | OperationDenied.RequestNotFinished | The specified request not finished. | 当前请求任务没有完成。 | 诊断 |
| 403 | OperationDenied.RequestExists | The specified request already exists. | 操作失败，该请求已存在。 | 诊断 |
| 400 | InvalidDBInstanceId.QuotaExceeded | The quota of instance ID exceeded. | 已超过当前主实例可添加的只读实例上限。 | 诊断 |
| 400 | InvalidOrderTask.NotSupport | The order task existed | 操作失败，当前订单任务已存在。 | 诊断 |
| 400 | RenewChange.Exist | The Current InstanceId existed renewChange order in RDS. | 当前存在变配任务未完成，请等待完成后重试。 | 诊断 |
| 400 | InvalidEActionCode.CodeBizNotSupported | The specified action code biz is not valid. | 操作码biz无效。 | 诊断 |
| 400 | InvalidEngine.NotSupported | The specified parameter "Engine" is not valid. | 当前引擎不支持此API。 | 诊断 |
| 400 | InvalidEngineVersion.NotSupported | The specified parameter "EngineVersion" is not valid. | 数据库版本无效。请检查EngineVersion参数的正确性。 | 诊断 |
| 400 | InvalidDBInstanceClass.NotSupported | The specified parameter "DBInstanceClass" is not valid. | 实例规格不支持。请修改实例规格。 | 诊断 |
| 400 | InvalidDBInstanceClass.ValueNotSupported | The specified parameter "DBInstanceClass" is not valid. | 无效的数据库实例规格。 | 诊断 |
| 400 | InvalidDBInstanceNetType.NotSupported | The specified parameter "InvalidDBInstanceNetType" is not valid. | 实例网络连接类型无效。 | 诊断 |
| 400 | QueryPriceResonse.Failed | query price response error. | 操作失败，当前服务网络异常，导致询价失败，请检查网络，确保网络正常。 | 诊断 |
| 400 | CreateOrder.Failed | order failed. | 订单失败。 | 诊断 |
| 404 | InvalidRegionId.NotFound | The provided RegionId does not exist. | 地域ID不存在。请查询正确的RegionId并输入。 | 诊断 |
| 404 | QueryPrice.Failed | QueryPrice Failed. | 询价失败，请联系客服同学。 | 诊断 |
| 404 | AccountMoney.Invalid | Account money is invalid | - | 诊断 |
| 404 | InvalidRegionId.NotFound | The provided RegionId is not found. | 该地域不存在，请重新设置。 | 诊断 |
| 404 | InvalidRegionId.NotFound | The RegionId provided does not exist. | 该地域不存在，请重新设置。 | 诊断 |
| 400 | InvalidDBInstanceDescription.Malformed | The specified parameter "DBInstanceDescription" is not valid. | 实例备注验证失败。格式要求：实例备注不能超过256个字节，不能以http:// , https://开头，必须以中文、英文字母开头。可以包含中文、英文字符、”_”，” -”，数字字符长度2~256。 | 诊断 |
| 403 | InvalidEngineVersionInRegion.NotAvailable | The EngineVersion in the Region is not available. | 操作失败，当前地域不支持该引擎版本。 | 诊断 |
| 403 | InvaildEngineInRegion.NotAvailable | The engine type in this region is not available. | 该区域不支持此数据库版本。 | 诊断 |
| 403 | RegionUnauthorized | There is no authority to create instance in the specified region. | 在该区域中不允许创建实例，请更换区域后再创建。 | 诊断 |
| 400 | MissingOwnerIdOrOwnerAccount | The input parameter "OwnerId" or "OwnerAccount" that is mandatory for processing this request is not supplied. | - | 诊断 |
| 400 | UnsupportedParameter | Unsupported parameter. | 不支持该参数，请您检查该参数是否正确。 | 诊断 |
| 400 | InvalidDBInstanceConnType.Format | The specified instance connection type is not valid. | 当前数据库实例的连接类型不支持此操作。 | 诊断 |
| 400 | InvalidSecurityIps.MalFormed | The specified parameter "SecurityIps" is not valid. | 无效的白名单IP。指定允许访问该实例下所有数据库的IP名单时，以逗号隔开，不可重复，最多支持1000个。支持的格式包括：%，0.0.0.0/0，10.23.12.24（IP），或者10.23.12.24/24（CIDR模式，无类域间路由，/24表示了地址中前缀的长度，范围[1,32]）其中，0.0.0.0/0表示不限制。 | 诊断 |
| 400 | InvalidBackupLocation.Malformed | The specified parameter "BackupLocation" is not valid. | 参数BackupLocation无效，请检查该参数的正确性。 | 诊断 |
| 400 | InvalidParameters.Malformed | The specified parameter "Parameters" is not valid. | 当前Parameters参数无效，请重新设置。 | 诊断 |
| 400 | InvalidRenewalDuration.Malformed | The specified parameter Duration is not valid. | Duration参数无效。 | 诊断 |
| 400 | InvalidSQLCollectorStatus.ValueNotSupported | The specified SQLCollectorStatus value not support. | SQL CollectorStatus值不符合要求，请检查该参数 | 诊断 |
| 400 | InvalidSQLCollectorStatus.Malformed | The specified parameter "SQLCollectorStatus" is not valid. | SQL洞察状态相关参数设置无效，请修改。SQL洞察的参数设置支持：Enable，开启SQL洞察；Disable，关闭SQL洞察。 | 诊断 |
| 400 | QuotaExceeded.StartDiagnose | The quota of start diagnose exceeds now,try again later. | 配额现在已超过，请稍后再试。 | 诊断 |
| 400 | TaskExists | Specified task have existed. | 任务已存在。 | 诊断 |
| 400 | InvalidDBInstanceDescription.Malformed | The specified parameter "DBInstanceDescription" is not valid. | - | 诊断 |
| 400 | InvalidConnectionString.Malformed | The specified parameter "ConnectionStringPrefix" is not valid. | - | 诊断 |
| 400 | InvalidGroupName.Malformed | The specified parameter "DBInstanceIPArrayName" is not valid. | 无效的数据库实例IP白名单分组名称。 | 诊断 |
| 400 | InvalidProxyClusterName.Malformed | The specified proxyClusterName is not valid. It can not be empty string. | proxyClusterName参数值为空。请先设置参数值。 | 诊断 |
| 400 | InvalidSiteList.Malformed | The specified siteList is not valid. It can not be empty string | siteList 参数值无效，请您检查该参数是否正确。 | 诊断 |
| 400 | InvalidIPList.Malformed | The specified ipList is not valid. It can not be empty string | ipList无效。请检查是否为空字符串。 | 诊断 |
| 400 | InvalidProxyRole.Malformed | The specified proxyRole is not valid. It can not be empty string | 参数proxyRole禁止为空，请检查后重试。 | 诊断 |
| 400 | InvalidRPMVersion.Malformed | The specified RPMVersion is not valid. It can not be empty string | 操作失败，RPM版本不能为空，请设置后重试。 | 诊断 |
| 400 | InvalidAddNodeNumber.Malformed | The specified nodeNumber is not valid. It can not be empty string | 当前nodeNumber参数值为空。请先设置参数值。 | 诊断 |
| 400 | InvalidCreator.Malformed | The specified creator is not valid. It can not be empty string | 指定的创建者无效。它不能是空字符串。 | 诊断 |
| 400 | InvalidProxyCluster.NotFound | The proxy cluster can not be found, please check that if ProxyClusterName exists | 代理集群不存在，请检查。 | 诊断 |
| 400 | InvalidProxyRPMVersion.NotFound | The proxy ProxyRPMVersion can not be found, please check that if ProxyRPMVersion exists | 操作失败，指定ProxyRPMVersion不存在。 | 诊断 |
| 400 | InvalidBackupStatus.ValueNotSupport | The specified parameter "BackupStatus" is not valid. | 备份集状态验证失败。备份集状态，取值范围：Success：完成备份；
Failed：备份失败； | 诊断 |
| 400 | InvalidBackupMode.ValueNotSupport | The specified parameter "BackupMode" is not valid. | 操作失败，当前设置的备份类型无效，请重新设置备份类型。
备份类型分为：Automated：常规任务;Manual：临时任务。 | 诊断 |
| 400 | InvalidDBDescription.Malformed | The specified parameter "DBDescription" is not valid. | 指定的DBDescription参数无效，请检查。 | 诊断 |
| 400 | InvalidAccountDescription.Malformed | The specified parameter "AccountDescription" is not valid. | - | 诊断 |
| 400 | InvalidPreferredBackupTime.Malformed | The specified parameter "PreferredBackupTime" is not valid. | 备份时间格式不正确。正确格式：HH:mmZ- HH:mm Z。 | 诊断 |
| 400 | InvalidPreferredBackupPeriod.Malformed | The specified parameter "PreferredBackupPeriod" is not valid. | 操作失败，数据备份周期设置错误。 | 诊断 |
| 400 | InvalidAccountName.Malformed | The specified parameter "AccountName" is not valid. | - | 诊断 |
| 400 | InvalidAccountName.keyword | The specified parameter "AccountName" is a keyword. | AccountName参数存在限制词，请核实 | 诊断 |
| 400 | InvalidAccountName.Duplicate | Invalid "AccountName" specified, duplicated. | - | 诊断 |
| 400 | InvalidAccountType.Malformed | The specified parameter "AccountType" is not valid. | - | 诊断 |
| 400 | InvalidRetainClass.Malformed | The specified parameter "RetainClassic" is not valid. | - | 诊断 |
| 400 | InvalidAccountPassword.Malformed | The specified parameter "AccountPassword" is not valid. | 账户密码格式不正确，请输入正确的参数。账户密码规则：大写、小写、数字、特殊字符占三种，长度为8－32位；特殊字符为!@#$%^&*()_+-=。 | 诊断 |
| 400 | QuotaExceeded.AccountName | Account limit exceeded. | 已达账户数量上限。同一实例下的数据库共享该实例下的所有资源，其中：MySQL 版实例和 SQL Server 版实例最多可以创建 500 个账号。PostgreSQL 版实例和 PPAS 版实例没有账号个数限制。MySQL 5.7 版和 SQL Server 2012 版只能创建初始账号。 | 诊断 |
| 400 | QuotaExceeded.SwitchTime | SwitchTimes limit exceeded. | 切换频繁，内外网切换次数已超出当日上限。 | 诊断 |
| 400 | InvalidTDEstatus.Format | The specified TDEStatus is not valid. | 无效的透明数据加密状态。 | 诊断 |
| 400 | InvalidConnectionMode.ValueNotSupported | The specified parameter "ConnectionMode" is not valid. | 访问模式验证失败，请重新设置。Performance为标准访问模式；Safe为高安全访问模式。 | 诊断 |
| 400 | InvalidAccountPrivilege.ValueNotSupport | The specified "AccountPrivilege" is not valid. | - | 诊断 |
| 400 | InvaildEngineInRegion.ValueNotSupported | The engine is not supported in the region. | 数据库版本不正确。 | 诊断 |
| 400 | InvalidDBName.Malformed | The specified parameter "DBName" is not valid. | 数据库名称格式不正确。格式要求：由小写字母、数字、下划线组成，以字母开头，字母或数字结尾，最长16个字符。 | 诊断 |
| 400 | QuotaExceeded.DBName | The database operation execeed. | 当前实例中数据库数量达到上限，请修改数据库数量后重试。 | 诊断 |
| 400 | InvalidDBName.Duplicate | The Security db Name is not in the available range or occupied. | 当前数据库名称不正确，请重新设置数据库名称。 | 诊断 |
| 400 | InvalidCharsetName.ValueNotSupport | The specified parameter "CharsetName" is not valid. | 验证字符集失败。请重新设置字符集。
字符集要求如下：MySOL类型（utf8、gbk、latin1
utf8mb4(5.5和5.6有)）、SQL Server类型(Chinese_PRC_CI_AS、Chinese_PRC_CS_AS、SQL_Latin1_General_CP1_CI_AS、SQL_Latin1_General_CP1_CS_AS、Chinese_PRC_BIN)。 | 诊断 |
| 400 | InvalidParameter.Keyword | The specified parameter "DBName" is keyword. | - | 诊断 |
| 400 | InvalidUserType.NotSupport | The operation is not permitted due to type of account. | 当前账户类型不支持该操作。 | 诊断 |
| 400 | InvalidExpiredTime.Malformed | The specified "ExpiredTime" is not valid. | - | 诊断 |
| 400 | InvalidBackupMethod.ValueNotSupport | The specified parameter "BackupMethod" is not valid. | 备份方法验证失败。Logical：逻辑备份；Physical：物理备份。默认值为Physical，逻辑备份不支持没有数据库的实例；SQLServer仅支持物理备份。 | 诊断 |
| 400 | InvalidBackupLog.Malformed | The specified parameter "backupPeriod" is not valid. | 操作失败，请设置备份周期。备份周期可选：周一、周二、周三、周四、周五、周六、周日。 | 诊断 |
| 400 | InvalidSortKey.Malformed | The specified parameter "SortKey" is not valid. | SortKey验证失败。请检查排序依据的性能项。性能项可以为CPU_Usage，IOPS_Usage，Disk_Usage，Session_Usage，默认为CPU_Usage。 | 诊断 |
| 400 | InvalidSortMethod.Malformed | The specified parameter "SortMethod" is not valid. | SortMethod验证失败，请检查。
取值范围：ASC|DESC。
默认：DESC，即从高到低 | 诊断 |
| 400 | InvalidParameter | Invalid parameter. | 无效的参数。 | 诊断 |
| 400 | InvalidPort.Malformed | The specified parameter "Port" is not valid. | 参数Port无效，请检查该参数的正确性。 | 诊断 |
| 400 | InvalidPerformanceKey.Malformed | The specified parameter "Key" is not valid. | - | 诊断 |
| 400 | InvalidQueryKeyword.Malformed | the query key contains exception character. | 查询失败，用于查询的关键词无效。 | 诊断 |
| 400 | InvalidStartTimeAndEndTime.Malformed | The end time must be greater than the start time. | 操作失败，开始时间需早于结束时间。正确格式：开始时间为2011-05-30 T12:11:20Z，结束时间为2011-06-08 T12:09:20Z。 | 诊断 |
| 400 | InvalidParameter.ResourceOwnerAccount | The specified parameter "resourceOwnerAccount" is not valid. | resourceOwnerAccount参数值无效。请设置正确的参数取值。 | 诊断 |
| 400 | InvalidStorage.Malformed | The specified "Storage" is not valid. | - | 诊断 |
| 400 | InvalidClassicExpendExpiredDays | The request is missing a ClassicExpendExpiredDays parameter or parameter not between 1 ~ 120. | - | 诊断 |
| 403 | ActionUnauthorized | The specified action is not available for you. | 不支持当前操作。 | 诊断 |
| 403 | Forbidden.RAM | User not authorized to operate on the specified resource, or this API does not support RAM. | - | 诊断 |
| 403 | Forbidden.NotSupportRAM | This action does not support accessed by RAM mode. | 该功能操作暂不支持RAM模式访问。 | 诊断 |
| 403 | Forbidden.RiskControl | This operation is forbidden by aliyun risk control system. | 操作失败，该操作存在风险。请检查后再重试。 | 诊断 |
| 403 | OperationDenied.NotSupport | the specified instance region does not support this operation. | 操作失败，当前区域不支持。 | 诊断 |
| 403 | OperationDenied.LockMode | The operation is not permitted due to instance being locked. | 实例锁定中，不支持该操作。请检查实例的存储空间是否已满，或者实例是否已到期。若磁盘空间已满，请进行变更配置，扩大存储空间后即可解锁；若实例已到期，续费后即可解锁。 | 诊断 |
| 403 | OperationDenied.DBInstanceStatus | The operation is not permitted due to status of instance. | 操作失败，当前实例状态不支持此操作。 | 诊断 |
| 403 | InstanceEngineType.NotSupport | The instance engine and type does not support operations. | RDS MySQL实例引擎和类型不支持此操作，请检查实例kindcode和内核小版本是否过低，升级内核小版本。 | 诊断 |
| 403 | ReadonlyInstanceNotSupport | The operation is not permitted due to type of the instance. | 指定的只读实例不支持此操作。 | 诊断 |
| 403 | OperationDenied.DBInstanceEngine | The operation is not permitted due to engine of instance. | 操作失败，当前实例引擎版本过低，请重新选择数据库引擎版本。 | 诊断 |
| 403 | OperationDenied.DBInstanceNetType | The operation is not permitted due to network type of the instance. | 操作失败，当前网络类型不支持该操作。。 | 诊断 |
| 403 | InvalidConnectionMode.NotSupport | Current DB instance conn type does not support this operation. | 操作失败，连接模式不匹配。当前连接模式不支持。 | 诊断 |
| 403 | OperationDenied | The resource is out of usage. | 资源不足，请联系资源值班增加库存。 | 诊断 |
| 403 | OperationDenied.ClusterNotSupport | The instance cluster does not support this operation. | 操作失败。实例不支持该操作。 | 诊断 |
| 403 | OperationDenied.DBInstance | The operation is not permitted due to status of the instance. | 操作失败，当前实例状态不支持此操作。 | 诊断 |
| 403 | OperationDenied.GuardDBInstanceLower | The operation is not permitted due to higher guard instance version. | 较高的灾备实例版本不支持该操作。 | 诊断 |
| 403 | OperationDenied.AccountStatus | The operation is not permitted due to status of account. | 数据库账号异常，请检查账号状态。 | 诊断 |
| 403 | OperationDenied.AccountType | The operation is not permitted due to type of account. | 操作失败，此账户类型不支持该操作。 | 诊断 |
| 403 | OperationDenied.TaskExceeded | The concurrent tasks exceeded allowed amount. | 已超过并发任务数量上限。请修改数量后重试。 | 诊断 |
| 403 | OperationDenied.AccountMode | The operation is not permitted due to account mode of instance. | 操作失败，当前实例的账户模式不支持此操作。 | 诊断 |
| 403 | OperationDenied.DBNameAndAccountPrivilegeCount | The operation is not permitted due to count of database or account privilege. | 操作失败，数据库与权限的数量不一致。 | 诊断 |
| 403 | OperationDenied.PasswordWrong | The operation is not permitted due to wrong of password. | 密码校验失败，请核实后重试。 | 诊断 |
| 403 | OperationDenied.DBType | The operation is not permitted due to type of the database. | 该类型数据库不支持此操作，请核实。 | 诊断 |
| 403 | OperationDenied.DBStatus | The operation is not permitted due to status of the database. | 操作失败，当前数据库状态不支持此操作，请确保数据库状态为运行中。 | 诊断 |
| 403 | OperationDenied.BackupJobExists | The operation is not permitted due to backup job exist. | 创建备份失败，存在正在执行中的备份任务。如果需要创建新的备份，需要删除已经存在的历史备份。 | 诊断 |
| 400 | InvalidBackupType.ValueNotSupport | The specified parameter "BackupType" is not valid. | 无效的备份策略，请核实。
Auto：自动计算是全量备份还是增量备份；FullBackup：全量备份。默认值为Auto。 | 诊断 |
| 403 | InvalidInstanceType.NotSupported | The specified InstanceType is not Supported. | 操作失败，当前实例类型不支持此操作。 | 诊断 |
| 404 | InvalidConnectionStringPrefix.Duplicated | The specified connection string needs to be same as current network type. | 指定的连接字符串需要与当前网络类型相同。 | 诊断 |
| 404 | AtLeastOneNetTypeExists | The specified network type at least one. | 需要指定网络类型。 | 诊断 |
| 404 | NetTypeExists | The specified public network type existed | 网络类型已存在，请检查该参数是否正确。 | 诊断 |
| 404 | InvalidConnectionString.Duplicate | Specified connection string or port needs to be same as current network type. | 该连接字符串或端口需要与当前网络类型相同，请重新设置。 | 诊断 |
| 404 | InvalidConnectionString.NotFound | The specified connection string or network type is not found. | 连接串不存在。请检查连接串是否正确。 | 诊断 |
| 404 | ConnectionStringLengthExceeded | The specified connection string is too long. | 当前连接字符串太长，请重新设置。 | 诊断 |
| 404 | InvalidSecurityIPListLength.Malformed | The security ip address is not in the available range or occupied. | 安全IP地址不在可用范围内或已被占用。 | 诊断 |
| 404 | InvalidSecurityIPs.NotFound | The specified security ip list has no matching value or at least one security IP is needed. | 安全组中无此IP。请前往实例详情-数据库安全性，查看IP是否正确。 | 诊断 |
| 404 | InvalidInstanceIp.Duplicate | Invalid security ip list specified, duplicated. | 安全白名单无效。 | 诊断 |
| 404 | InvalidDBInstanceNetType.NotFound | The specified instance network type is not found. | 当前实例网络类型不正确，请重新设置网络类型，
网络类型分为：专有网络（VPC）和经典网络（Classic） | 诊断 |
| 403 | OperationDenied.ChildDBInstanceExists | The specified instance existed child instance. | 数据库实例有子实例，不支持当前操作。 | 诊断 |
| 404 | InvalidGuardInstanceId.Exist | The guard instance existed. | 灾备实例已存在。 | 诊断 |
| 404 | RwSplitNetType.Exist | The RwSplitNetType existed in the instance. | 操作失败，存在读写分离，如果您在做释放只读实例，需要先关闭读写分离。 | 诊断 |
| 404 | InvalidWeight.NotFound | The specified parameter Weight is not exist. | 权重Weight对应的实例ID与当前实例下所有的只读实例都不匹配。请确认后重试。 | 诊断 |
| 404 | ProxyVersion.NotSupport | The Proxy version is unsupported RwSplitNetType. | 读写分离不支持。 | 诊断 |
| 404 | InvalidWeight.Format | The Specified Weight format is not valid. | 无效的权重范围。 | 诊断 |
| 404 | ReadDBInstance.Mismatch | The DB Instances has not matching for Weight. | 读写分离权重分配设置有误，请重新设置。 | 诊断 |
| 404 | InvalidRwSplitNetType.NotFound | The RwSplitNetType is not found. | 操作失败。请先创建读写分离网络类型。 | 诊断 |
| 404 | InvalidConnectionMode.NotSupport | The specified connection mode does not support this operation. | 操作失败，连接模式不匹配。当前连接模式不支持。 | 诊断 |
| 404 | InvalidReadDBInstanceName.NotFound | The specified read instance name does not exist. | 指定的只读实例不存在。 | 诊断 |
| 404 | InvalidMaxDelayTime.Malformed | The specified MaxDelayTime format is not valid. | 延迟阈值设置不正确。单位为秒。请重新设置。 | 诊断 |
| 404 | InvalidDBInstanceClass.NotFound | The specified instance class is not found. | 指定的实例规格无效或已停售，请检查该参数是否正确。 | 诊断 |
| 404 | InvalidUser.NotFound | The specified user does not exist. | 指定用户不存在。请检查用户信息是否正确。 | 诊断 |
| 404 | InvalidOperatorPermission.NotFound | The permission provided does not exist. | OperatorPermission不存在。 | 诊断 |
| 404 | InvalidDBName.NotFound | The specified database is not found. | 数据库不存在。请确认数据库名称是否正确。 | 诊断 |
| 404 | Param.NotFound | The specified params is not found. | 参数无效，请检查该参数是否正确。 | 诊断 |
| 404 | InvalidAccountName.NotFound | The specified account is not found. | 未找到该账户。如果您是在做创建账号或者重置密码等操作，请指定您的账号。 | 诊断 |
| 500 | InternalError | The request processing has failed due to some unknown error, exception or failure. | 请求失败，请稍后重试。 | 诊断 |
| 503 | ServiceUnavailable | The request has failed due to a temporary failure of the server. | 请求后端超时，请稍后重试。 | 诊断 |
| 403 | OperationDenied.MigrationStatus | The operation is not permitted due to status of engine migration. | 引擎迁移状态不允许该操作
| 诊断 |
| 403 | QuotaExceeded.CreateInstance | The quota of create instance exceeds. | 已超过实例数量上限。请释放不需要的实例。 | 诊断 |
| 403 | ACT_MANDATORY_OPTION_FAILED | The activity conditions are not met. | - | 诊断 |
| 400 | InvalidParameter.TagKey | The Tag.N.Key parameter is invalid | 操作失败，标签键（Tag.N.Key）参数无效。 | 诊断 |
| 403 | Forbidden | User not authorized to operate on the specified resource, or this API does not support RAM. | 子账号权限不足，请先获取授权。 | 诊断 |
| 400 | InvalidDBInstanceClass.Malformed | InvalidDBInstanceClass . | - | 诊断 |
| 400 | InvalidMaintainTime.MalFormed | The specified parameter MaintainTime is not valid. | 操作失败，请在可维护时间内操作。请检查可维护时间。参考文档设置可维护时间段。 | 诊断 |
| 400 | REGION_DISSOLVED_fuzhou_EOFS | Alibaba Cloud is scheduled to make adjustments in the Fuzhou region. Cloud services in this region will be suspended. This type of order cannot be managed. Thank you for your understanding and support. | 客户您好，阿里云计划对福州本地云地域进行优化调整，该区域云服务将停止运营，您目前无法操作该类型的订单，感谢理解与支持。 | 诊断 |
| 400 | REGION_DISSOLVED_nanjing_EOFS | Alibaba Cloud is scheduled to make adjustments in the Nanjing region. Cloud services in this region will be suspended. This type of order cannot be managed. Thank you for your understanding and support. | 客户您好，阿里云计划对南京本地云地域进行优化调整，该区域云服务将停止运营，您目前无法操作该类型的订单，感谢理解与支持。 | 诊断 |