Fatal error: Uncaught Error: Class "Assetic\AssetManager" not found in /home/gingerbrup/urban/vendor/kriswallsmith/assetic/src/Assetic/Factory/LazyAssetManager.php:24 Stack trace: #0 {main} thrown in /home/gingerbrup/urban/vendor/kriswallsmith/assetic/src/Assetic/Factory/LazyAssetManager.php on line 24