Fatal error: Uncaught Error: Class "Symfony\Component\Routing\Tests\Loader\AbstractAnnotationLoaderTestCase" not found in C:\xampp\htdocs\r10ca\vendor\symfony\routing\Tests\Loader\DirectoryLoaderTest.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\r10ca\vendor\symfony\routing\Tests\Loader\DirectoryLoaderTest.php on line 21