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