Fatal error: Uncaught Error: Interface 'Twig_Extensions_GrammarInterface' not found in /home/lafaamicps/www/symfony/vendor/twig/extensions/lib/Twig/Extensions/Grammar.php:11 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/twig/extensions/lib/Twig/Extensions/Grammar.php on line 11