Fatal error: Uncaught Error: Class "OpenApi\Examples\Specs\UsingTraits\Spec\SimpleProduct" not found in /home/mohamed/education.mohamed-emad.com/vendor/zircote/swagger-php/docs/examples/specs/using-traits/spec/TrickyProduct.php:13 Stack trace: #0 {main} thrown in /home/mohamed/education.mohamed-emad.com/vendor/zircote/swagger-php/docs/examples/specs/using-traits/spec/TrickyProduct.php on line 13