Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface" not found in C:\xampp\htdocs\ffmpeg\vendor\symfony\cache\DependencyInjection\CachePoolPass.php:30 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ffmpeg\vendor\symfony\cache\DependencyInjection\CachePoolPass.php on line 30