Fatal error: Uncaught Error: Class 'Symfony\Component\Debug\ExceptionHandler' not found in /home/user1111058/www/dev.companysam.by/vendor/symfony/debug/Tests/MockExceptionHandler.php:16 Stack trace: #0 {main} thrown in /home/user1111058/www/dev.companysam.by/vendor/symfony/debug/Tests/MockExceptionHandler.php on line 16