Fatal error: Uncaught Error: Call to undefined function Symfony\Component\Validator\Constraints\trigger_deprecation() in /var/www/html/API_Forum/vendor/symfony/validator/Constraints/ExpressionLanguageSyntaxValidator.php:21 Stack trace: #0 {main} thrown in /var/www/html/API_Forum/vendor/symfony/validator/Constraints/ExpressionLanguageSyntaxValidator.php on line 21