Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/itscm/dev.its.cm/webservices/vendor/doctrine/doctrine-migrations-bundle/DependencyInjection/DoctrineMigrationsExtension.php:28 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/webservices/vendor/doctrine/doctrine-migrations-bundle/DependencyInjection/DoctrineMigrationsExtension.php on line 28