Fatal error: Uncaught Error: Class 'Assetic\Filter\BaseProcessFilter' not found in /var/www/vhosts/kavli-live/vendor/kriswallsmith/assetic/src/Assetic/Filter/DartFilter.php:22 Stack trace: #0 {main} thrown in /var/www/vhosts/kavli-live/vendor/kriswallsmith/assetic/src/Assetic/Filter/DartFilter.php on line 22