Fatal error: Uncaught Error: Class "Symfony\Component\Routing\RouteCollection" not found in C:\Apache24_x64\htdocs\__cms\vendor\symfony\routing\Tests\Fixtures\with_define_path_variable.php:5 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\__cms\vendor\symfony\routing\Tests\Fixtures\with_define_path_variable.php on line 5