Fatal error: Uncaught Error: Interface "Assetic\Filter\HashableInterface" not found in C:\xampp\htdocs\electronica\vendor\symfony\assetic-bundle\Controller\AssetCacheKeyFilter.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\symfony\assetic-bundle\Controller\AssetCacheKeyFilter.php on line 23