Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromisorInterface' not found in /home/pssmiet1/public_html/dig_ocean/vendor/aws/aws-sdk-php/src/S3/Transfer.php:19 Stack trace: #0 {main} thrown in /home/pssmiet1/public_html/dig_ocean/vendor/aws/aws-sdk-php/src/S3/Transfer.php on line 19