Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromisorInterface' not found in /var/www/html/bwave/vendor/aws/aws-sdk-php/src/S3/ObjectCopier.php:14 Stack trace: #0 {main} thrown in /var/www/html/bwave/vendor/aws/aws-sdk-php/src/S3/ObjectCopier.php on line 14