Fatal error: Uncaught Error: Interface "Assetic\Factory\Resource\ResourceInterface" not found in C:\xampp\htdocs\electronica\vendor\symfony\assetic-bundle\Factory\Resource\ConfigurationResource.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\symfony\assetic-bundle\Factory\Resource\ConfigurationResource.php on line 21