Fatal error: Uncaught Error: Class 'Symfony\Component\Translation\Exception\InvalidArgumentException' not found in C:\xampp\htdocs\laravel-back\vendor\symfony\translation\Exception\IncompleteDsnException.php:14 Stack trace: #0 {main} thrown in C:\xampp\htdocs\laravel-back\vendor\symfony\translation\Exception\IncompleteDsnException.php on line 14