Problem description
The AccessKeyId field does not exist in the request.
Causes
OSS returns this error when a signed request is received but the AccessKeyId field in the Authorization header or signed URL is missing or unrecognized.
Examples
A signed request is sent with an Authorization header, but the AccessKeyId field of the Authorization header is absent or contains an unrecognized value.
Solutions
Make sure that the value of the AccessKeyId field in the Authorization header or the URL is valid. See Include signatures in the Authorization header and Add signatures to URLs for the required format.
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