Fatal error: Uncaught Error: Class 'Symfony\Component\Form\AbstractExtension' not found in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/doctrine-bridge/Form/DoctrineOrmExtension.php:18 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/itsgateway/vendor/symfony/doctrine-bridge/Form/DoctrineOrmExtension.php on line 18