Fatal error: Uncaught Error: Class 'Twig_Extension' not found in /home/cooplafobq/newplanning/vendor/kriswallsmith/assetic/src/Assetic/Extension/Twig/AsseticExtension.php:17 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/vendor/kriswallsmith/assetic/src/Assetic/Extension/Twig/AsseticExtension.php on line 17