Unknown exception occur! message = S3 API Requests must be made to API port Service Amazon S3; Status Code 400; Error Code InvalidArgument; Request ID 0; S3 Extended Request ID null; Proxy nullcomamaz

This error message suggests that the Amazon S3 API request you made is not using the correct API port. To resolve this issue, you should ensure that you are making the API request to the correct port designated for Amazon S3.