Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromisorInterface" not found in /home/macromm/abiofore/www/abiofore_dev/vendor/aws/aws-sdk-php/src/CommandPool.php:14 Stack trace: #0 {main} thrown in /home/macromm/abiofore/www/abiofore_dev/vendor/aws/aws-sdk-php/src/CommandPool.php on line 14