Fatal error: Uncaught Error: Class 'Aws\Identity\AwsCredentialIdentity' not found in /home/edmedu/www/edmclass.com.bak/edmclass-front/vendor/aws/aws-sdk-php/src/Credentials/Credentials.php:10 Stack trace: #0 {main} thrown in /home/edmedu/www/edmclass.com.bak/edmclass-front/vendor/aws/aws-sdk-php/src/Credentials/Credentials.php on line 10