Fatal error: Uncaught Error: Class 'Symfony\Component\Validator\Mapping\MemberMetadata' not found in C:\SistemasPHP\observatorio4\vendor\symfony\validator\Mapping\PropertyMetadata.php:29 Stack trace: #0 {main} thrown in C:\SistemasPHP\observatorio4\vendor\symfony\validator\Mapping\PropertyMetadata.php on line 29