Fatal error: Uncaught Error: Class "OpenApi\Spec\AbstractAttribute" not found in /home/mohamed/education.mohamed-emad.com/vendor/zircote/swagger-php/src/Spec/Operation.php:42 Stack trace: #0 {main} thrown in /home/mohamed/education.mohamed-emad.com/vendor/zircote/swagger-php/src/Spec/Operation.php on line 42