Fatal error: Uncaught Error: Class 'Assetic\Util\CssUtils' not found in /home/bucereo/my_project_name/vendor/kriswallsmith/assetic/src/Assetic/Util/SassUtils.php:19 Stack trace: #0 {main} thrown in /home/bucereo/my_project_name/vendor/kriswallsmith/assetic/src/Assetic/Util/SassUtils.php on line 19