Fatal error: Uncaught Error: Class "Symfony\Component\Config\Definition\Builder\ScalarNodeDefinition" not found in C:\laragon\www\Clinic\vendor\symfony\config\Definition\Builder\StringNodeDefinition.php:25 Stack trace: #0 {main} thrown in C:\laragon\www\Clinic\vendor\symfony\config\Definition\Builder\StringNodeDefinition.php on line 25