Fatal error: Uncaught Error: Class 'Assetic\AssetManager' not found in /home/synap/fr/synap/dev/www/7/vendor/kriswallsmith/assetic/src/Assetic/Factory/LazyAssetManager.php:25 Stack trace: #0 {main} thrown in /home/synap/fr/synap/dev/www/7/vendor/kriswallsmith/assetic/src/Assetic/Factory/LazyAssetManager.php on line 25