Fatal error: Uncaught Error: Interface 'Symfony\Component\Validator\Validator\ContextualValidatorInterface' not found in C:\SistemasPHP\observatorio4\vendor\symfony\validator\Validator\RecursiveContextualValidator.php:44 Stack trace: #0 {main} thrown in C:\SistemasPHP\observatorio4\vendor\symfony\validator\Validator\RecursiveContextualValidator.php on line 44