Fatal error: Uncaught Error: Interface 'Symfony\Component\Debug\Tests\Fixtures\VirtualInterface' not found in C:\xampp\htdocs\vendor\symfony\debug\Tests\Fixtures\VirtualSubInterface.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\symfony\debug\Tests\Fixtures\VirtualSubInterface.php on line 8