Fatal error: Uncaught Error: Class 'Symfony\Component\Routing\Tests\Loader\AbstractAnnotationLoaderTest' not found in E:\xampp\htdocs\vendor\symfony\routing\Tests\Loader\AnnotationFileLoaderTest.php:18 Stack trace: #0 {main} thrown in E:\xampp\htdocs\vendor\symfony\routing\Tests\Loader\AnnotationFileLoaderTest.php on line 18