Fatal error: Uncaught Error: Class 'Symfony\Polyfill\Intl\Normalizer\Normalizer' not found in C:\xampp\htdocs\admin\vendor\symfony\polyfill-intl-normalizer\Resources\stubs\Normalizer.php:3 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\symfony\polyfill-intl-normalizer\Resources\stubs\Normalizer.php on line 3