Fatal error: Uncaught Error: Class 'Twig\Extension\AbstractExtension' not found in /home/benjamincb/demos/acdg-site/vendor/doctrine/doctrine-bundle/Twig/DoctrineExtension.php:31 Stack trace: #0 {main} thrown in /home/benjamincb/demos/acdg-site/vendor/doctrine/doctrine-bundle/Twig/DoctrineExtension.php on line 31