Fatal error: Uncaught Error: Class 'Symfony\Component\PropertyAccess\Exception\RuntimeException' not found in /var/www/typo3/vendor/symfony/property-access/Exception/UnexpectedTypeException.php:21 Stack trace: #0 {main} thrown in /var/www/typo3/vendor/symfony/property-access/Exception/UnexpectedTypeException.php on line 21