Problem description
The access credentials obtained from STS are not supported.
Causes
The access credentials obtained from STS are not supported by the operation or region for authentication.
Examples
The URL of the request contains the security-token parameter, or the request headers contain the x-oss-security-token field.
Solutions
Use the AccessKey pair of a RAM user to initiate requests. For more information, see Use the AccessKey pair of a RAM user to initiate a request.