Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/soh-works/www/Stepup/vendor/doctrine/doctrine-migrations-bundle/DependencyInjection/DoctrineMigrationsExtension.php:15 Stack trace: #0 {main} thrown in /home/soh-works/www/Stepup/vendor/doctrine/doctrine-migrations-bundle/DependencyInjection/DoctrineMigrationsExtension.php on line 15