Fatal error: Uncaught Error: Interface "Http\Promise\Promise" not found in /home/ldt/public_html/canvas/udoit/vendor/symfony/http-client/Response/HttplugPromise.php:24 Stack trace: #0 {main} thrown in /home/ldt/public_html/canvas/udoit/vendor/symfony/http-client/Response/HttplugPromise.php on line 24