Fatal error: Uncaught Error: Class 'Symfony\Component\Debug\Exception\ClassNotFoundException' not found in /var/www/webapp/vendor/symfony/symfony/src/Symfony/Component/Debug/FatalErrorHandler/ClassNotFoundFatalErrorHandler.php:72 Stack trace: #0 /var/www/webapp/vendor/symfony/symfony/src/Symfony/Component/Debug/ErrorHandler.php(557): Symfony\Component\Debug\FatalErrorHandler\ClassNotFoundFatalErrorHandler->handleError(Array, Object(Symfony\Component\Debug\Exception\FatalThrowableError)) #1 [internal function]: Symfony\Component\Debug\ErrorHandler->handleException(Object(Symfony\Component\Debug\Exception\FatalThrowableError)) #2 {main} thrown in /var/www/webapp/vendor/symfony/symfony/src/Symfony/Component/Debug/FatalErrorHandler/ClassNotFoundFatalErrorHandler.php on line 72