| 400 | BadRequest | The request has invalid parameters. | 非法请求，请检查请求参数。 | 诊断 |
| 500 | InternalError | The request processing has failed due to some unknown error. | 服务器内部错误，请登录阿里云控制台提交工单。 | 诊断 |
| 404 | InstanceNotFound | The specified ECS instance is not found. | 容灾网关使用的ECS实例已经被删除，请使用容灾服务控制台操作容灾网关。 | 诊断 |
| 404 | NoAvailableInstanceType | No available instance type | - | 诊断 |
| 404 | ImageNotFound | cannot find image | - | 诊断 |
| 404 | OSSObjectNotExist | The object doesn't exist. | 访问的OSS对象不存在，请登录阿里云控制台提交工单。 | 诊断 |
| 500 | OSSAccessFail | Accessing OSS failed. | 访问OSS失败，请登录阿里云控制台提交工单。 | 诊断 |
| 403 | AssumeRoleFail | Assuming role failed. | 跨服务授权失败，请授予容灾服务操作OSS，ECS，VPC等权限。 | 诊断 |
| 404 | RoleNotExist | The specified role doesn't exist. | 容灾服务需要的跨服务授权角色不存在，请授予容灾服务相应权限。 | 诊断 |
| 404 | SitePairNotExist | The specified SitePair doesn't exist. | 您访问的站点对不存在，请确认输入的参数是否正确。 | 诊断 |
| 400 | InvalidLocalSiteName | The localSiteName is identical with the cloudSiteName. | 本地站点不允许和云端站点重名，请重新选择本地站点名。 | 诊断 |
| 400 | SitePairNotEmpty | The specified SitePair isn't empty. | 站点对存在本地或云端容灾网关，请删除所有容灾网关以后再删除站点对。 | 诊断 |
| 403 | SitePairOperationNotAllowed | The operation is not allowed. | - | 诊断 |
| 404 | TaskNotFound | The specified task doesn't exist. | 访问的Task不存在，请确认参数是否正确。 | 诊断 |
| 404 | AnotherTaskOngoing | There is another ongoing task. | - | 诊断 |
| 404 | ReplicationNotExist | The specified replication doesn't exist. | 受保护服务器不存在，请确认输入参数是否正确。 | 诊断 |
| 400 | ReplicationAlreadyExist | The specified replication already exists. | 受保护服务器已经存在，请确认输入参数是否正确。 | 诊断 |
| 404 | GatewayNotExist | The specified gateway doesn't exist. | 容灾网关不存在，请确认输入参数是否正确。 | 诊断 |
| 403 | GatewayOperationNotAllowed | The operation is not allowed. | 容灾网关当前状态不允许执行该操作。 | 诊断 |
| 500 | GatewayNoAvailableInstanceType | The specified instance type can't be found. | 部署容灾网关失败，没有合适的ECS实例类型，请登录阿里云控制台提交工单。 | 诊断 |
| 400 | DuplicateGatewayName | The name of the gateway already exists. | 存在同名的容灾网关，请选用其它名称。 | 诊断 |
| 400 | GatewayInvalidActivationCode | The Activation Code is invalid. | - | 诊断 |
| 400 | GatewayIsBusy | The gateway is busy. | - | 诊断 |
| 400 | GatewayVersionInvalid | The gateway version is invalid. | - | 诊断 |
| 403 | NoPermission | Permission denied. | 没有足够的权限，请联系云账号管理员授予您相应权限。 | 诊断 |
| 403 | ServiceDisabled | The service is disabled. | 容灾网关服务还没有开通。 | 诊断 |
| 403 | AccountInDebt | The account is inDebt. | 您当前的账号已经欠费，请立即充值。 | 诊断 |
| 403 | AccountInDebtOverdue | The account is inDebtOverdue. | 您当前的账号已经欠费超期，请立即充值。 | 诊断 |
| 403 | AccountProhibited | The account is prohibited by RiskControl. | 您当前的账号处于风控禁止状态，请登录阿里云控制台提交工单。 | 诊断 |
| 404 | SiteNotExist | The specified Site doesn't exist. | - | 诊断 |
| 404 | ServerNotExist | The specified Server doesn't exist. | - | 诊断 |
| 403 | ServerOperationNotAllowed | The operation is not allowed. | - | 诊断 |
| 400 | TooManyServers | The selected servers exceed the maximum numbers(10). | - | 诊断 |
| 400 | RegionNotSupported | The specified region is not supported. | - | 诊断 |
| 400 | InvalidImageName | The image name is invalid | - | 诊断 |
| 400 | InvalidImageVersion | The image version is invalid | - | 诊断 |
| 404 | RecoveryPointNotExist | The specified recovery point doesn't exist. | - | 诊断 |
| 400 | QueryMetricsError | Error happened when query metrics | - | 诊断 |
| 400 | QueryMetricsTimeout | Timeout to query metrics | - | 诊断 |
| 404 | InfrastructureNotExist | The specified Infrastructure doesn't exist. | - | 诊断 |
| 404 | InfrastructureInUse | The specified Infrastructure is in use. | - | 诊断 |
| 404 | InfrastructureDisconnected | The specified Infrastructure is disconnected. | - | 诊断 |
| 400 | UpgradeFailed | The upgrade is failed | - | 诊断 |
| 404 | RecoveryPlanNotExist | The specified recovery plan doesn't exist. | - | 诊断 |
| 403 | RecoveryPlanOperationNotAllowed | The operation is not allowed. | - | 诊断 |
| 404 | RecoveryPlanExecutionNotExist | The specified recovery plan execution doesn't exist. | - | 诊断 |
| 400 | NeedAssignImageId | Please set the mirroring of the disaster recovery instance in the calculation tab of the protection instance details and try again. | - | 诊断 |
| 500 | ResourceIsBusy | The resource is busy now, please try again later. | - | 诊断 |
| 400 | NameAlreadyExists | The specified name already exists. | - | 诊断 |
| 400 | FeatureNotSupported | The feature is not supported yet. | - | 诊断 |
| 400 | NeedOperateOnPrimarySite | Please operate on the primary site. | - | 诊断 |
| 400 | InvalidReplicationType | The specified replication type is invalid. | - | 诊断 |
| 400 | RequestCountOverLimit | The request count over limit. | - | 诊断 |
| 400 | NetworkMappingNotExist | The network mapping does not exist. | - | 诊断 |
| 400 | SecurityGroupMappingNotExist | The secruity mapping does not exist. | - | 诊断 |
| 400 | RecoveryPlanIsExist | The recovery plan alreay exists. | - | 诊断 |
| 400 | RecoveryPlanStageIsExist | The recovery plan stage alreay exists. | - | 诊断 |
| 400 | RecoveryPlanInstanceIsEmpty | There is not any instance in the recovery plan yet. | - | 诊断 |
| 400 | RecoveryPlanInstanceIsAdded | The instance is alreay in the recovery plan. | - | 诊断 |
| 400 | RecoveryPlanInstanceIsAdding | The instance is being added to the recovery plan. | - | 诊断 |
| 400 | RecoveryPlanStageNotExist | The recovery plan stage does not exist. | - | 诊断 |
| 400 | RecoveryPlanProtectionGroupIsEmpty | The recovery plan does not have any group yet. | - | 诊断 |
| 400 | RecoveryPlanInstanceNotAdded | The recovery plan does not have any instance yet. | - | 诊断 |
| 400 | RecoveryPlanInstanceIsDeleting | The recovery plan is being deleted. | - | 诊断 |
| 400 | RecoveryPlanStageIsNotEmpty | The recovery plan stage is not empty. | - | 诊断 |
| 400 | RecoveryPlanGroupsOutLimit | The group count in recovery plan out limit. | - | 诊断 |
| 500 | CmsClientError | Cms client error. | - | 诊断 |
| 400 | CMSEventNotExist | The CMS event rule does not exist. | - | 诊断 |
| 400 | CMSEventHandledenied | The CMS event is denied. | - | 诊断 |
| 400 | ProtectionGroupNotExist | The protection group does not exist. | - | 诊断 |
| 400 | ProtectionGroupOperationNotAllowed | The operation to the protection group does not allowed. | - | 诊断 |
| 400 | ProtectionGroupNotEmpty | The protection Group is not empty. | - | 诊断 |
| 400 | InstanceAlreadyProtected | The instance is already protected. | - | 诊断 |
| 400 | InstanceAlreadyProtectedAndFailovered | The instance is already protected and failovered. | - | 诊断 |
| 400 | InstanceIsTestFailoveredInstance | The instance is a test failovered instance. | - | 诊断 |
| 400 | InstanceIsFailoveredInstance | The instance is a failovered instance. | - | 诊断 |
| 400 | DisksQuotaExceed | The disk count will be exceeded. | - | 诊断 |
| 400 | DisksSizeQuotaExceed | The disk size will be exceeded. | - | 诊断 |
| 400 | InstanceQuotaExceed | The instance count will be exceeded. | - | 诊断 |
| 400 | ProtectionGroupIsEmpty | The protection group is empty. | - | 诊断 |
| 400 | InstanceNotExist | The instance does not exist. | - | 诊断 |
| 400 | SourceInstanceNotExist | The source instance does not exsit. | - | 诊断 |
| 400 | TargetInstanceNotExist | The target instance does not exist. | - | 诊断 |
| 400 | InstanceOsTypeNotSupported | The OS type is not supported yet. | - | 诊断 |
| 400 | CdrExtensionNotExist | The extention information of protection instance is not exist. | - | 诊断 |
| 400 | ProtectionInstanceNotExist | The protection instance does not exist. | - | 诊断 |
| 400 | ReplicaGroupNotExist | The replication group does not exist. | - | 诊断 |
| 400 | ReplicaGroupInInvalidStatus | The replication group status is invalid. | - | 诊断 |
| 400 | ReplicaPairNotExist | The replication does not exist. | - | 诊断 |
| 400 | ReplicaPairInInvalidStatus | The replication pair status is invalid. | - | 诊断 |
| 400 | TargetDiskNotExist | The target disk does not exist. | - | 诊断 |
| 400 | InvalidDiskCategory | The disk category is invalid. | - | 诊断 |
| 400 | InvalidDiskAttribute | The disk attribute is invalid. | - | 诊断 |
| 400 | InvalidParameter | Invalid parameter. | - | 诊断 |
| 400 | InspectionTaskNotExist | The inspection task does not exist. | - | 诊断 |
| 500 | LicenseClientError | The license client is error. | - | 诊断 |
| 400 | MappingInUse | The resource mapping is used by other resource mapping or protection group. | - | 诊断 |
| 400 | SitePairIsNotEmpty | The site pair is not empty. Please remove all resource mappings, protection groups and recovery plans then try again. | - | 诊断 |
| 400 | TooManyServersInSitePair | There are too many servers in the sitepair, can not register more servers. | - | 诊断 |
| 500 | DrillVpcInUse | Drill VPC in used. | - | 诊断 |
| 500 | AliyunEbsClientError | Call Aliyun EBS API failed. | - | 诊断 |
| 500 | AliyunStsClientError | Call Aliyun STS API failed. | - | 诊断 |
| 500 | AliyunRamClientError | Call Aliyun RAM API failed. | - | 诊断 |
| 500 | AliyunVpcClientError | Call Aliyun VPC API failed. | - | 诊断 |
| 500 | AliyunEcsClientError | Call Aliyun ECS API failed. | - | 诊断 |
| 400 | DiskAlreadyBeProtected | Disk is already be protected by Async Replication. | - | 诊断 |
| 500 | NeedAssignImageId | The mirror of the disaster recovery instance is not set. | - | 诊断 |