Fatal error: Uncaught Error: Class "Symfony\Component\Debug\ExceptionHandler" not found in /home/abazis/apps/projects/vendor-old/symfony/debug/Symfony/Component/Debug/Tests/MockExceptionHandler.php:16 Stack trace: #0 {main} thrown in /home/abazis/apps/projects/vendor-old/symfony/debug/Symfony/Component/Debug/Tests/MockExceptionHandler.php on line 16