Fatal error: Uncaught Error: Interface "React\Promise\PromiseInterface" not found in /home/melozbco/public_html/vendor/react/promise/tests/fixtures/SimpleFulfilledTestPromise.php:5 Stack trace: #0 {main} thrown in /home/melozbco/public_html/vendor/react/promise/tests/fixtures/SimpleFulfilledTestPromise.php on line 5