Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromisorInterface' not found in /home/petbridge/public_html/dev/includes/aws/Aws/S3/ObjectUploader.php:12 Stack trace: #0 {main} thrown in /home/petbridge/public_html/dev/includes/aws/Aws/S3/ObjectUploader.php on line 12