Fatal error: Uncaught Error: Class "Assetic\Factory\Resource\CoalescingDirectoryResource" not found in C:\xampp\htdocs\electronica\vendor\symfony\assetic-bundle\Factory\Resource\CoalescingDirectoryResource.php:22 Stack trace: #0 {main} thrown in C:\xampp\htdocs\electronica\vendor\symfony\assetic-bundle\Factory\Resource\CoalescingDirectoryResource.php on line 22