Amazon don't work key on SES service?

Question

Amazon Web Services

Good day to all! There are people who use aws/aws-sdk-php ?!
The fact is that I changed the key on Amazon, set everything up in Postfix, letters go
In the project I put a new key and here you have an error message
2021-06-28 13:43:41] Postal.ERROR: Aws\Ses\Exception\SesException : AWS Error Code: InvalidClientTokenId, Status Code: 403, AWS Request ID: 4be1e447-5df5-4c36-85b0-b8818983bf53, AWS Error Type: client, AWS Error Message: The security token included in the request is invalid., User-Agent : aws-sdk- php2 /2.8.7 Guzzle/3.9.3 curl/7.58.0

PHP / 7.2.24-0ubuntu0.18.04.7