Fatal error: Uncaught Error: Interface 'Assetic\Filter\FilterInterface' not found in /var/www/vhosts/kavli-live/vendor/kriswallsmith/assetic/src/Assetic/Filter/BaseCssFilter.php:19 Stack trace: #0 {main} thrown in /var/www/vhosts/kavli-live/vendor/kriswallsmith/assetic/src/Assetic/Filter/BaseCssFilter.php on line 19