Fatal error: Uncaught Error: Class 'Symfony\Component\Finder\Iterator\MultiplePcreFilterIterator' not found in C:\xampp\htdocs\admin\vendor\symfony\finder\Iterator\FilenameFilterIterator.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\symfony\finder\Iterator\FilenameFilterIterator.php on line 21