Fatal error: Uncaught Error: Interface "Aws\Signature\SignatureInterface" not found in D:\www\cmd\cmd_api\vendor\aws\aws-sdk-php\src\Signature\AnonymousSignature.php:10 Stack trace: #0 {main} thrown in D:\www\cmd\cmd_api\vendor\aws\aws-sdk-php\src\Signature\AnonymousSignature.php on line 10