Fatal error: Uncaught Error: Interface 'GuzzleHttp\Promise\PromisorInterface' not found in /home/luxurytr/public_html/lt8/vendor/aws/aws-sdk-php/src/Multipart/AbstractUploadManager.php:21
Stack trace:
#0 {main}
thrown in /home/luxurytr/public_html/lt8/vendor/aws/aws-sdk-php/src/Multipart/AbstractUploadManager.php on line 21