Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Type error: Argument 1 passed to Pimcore\Model\DataObject\AbstractObject::typeMatch() must be an instance of Pimcore\Model\DataObject\AbstractObject, instance of __PHP_Incomplete_Class given, called in /home/forge/zugspitzarena.com/current/vendor/pimcore/pimcore/models/DataObject/AbstractObject.php on line 279 in /home/forge/zugspitzarena.com/current/vendor/pimcore/pimcore/models/DataObject/AbstractObject.php:400 Stack trace: #0 /home/forge/zugspitzarena.com/current/vendor/pimcore/pimcore/models/DataObject/AbstractObject.php(279): Pimcore\Model\DataObject\AbstractObject::typeMatch() #1 /home/forge/zugspitzarena.com/current/vendor/pimcore/pimcore/models/Element/Service.php(460): Pimcore\Model\DataObject\AbstractObject::getById() #2 /home/forge/zugspitzarena.com/current/vendor/pimcore/pimcore/models/DataObject/ClassDefinition/Data/ManyToOneRelation.php(242): Pimcore\Model\Element\Service::getElementById() #3 /home/forge/zugspitzarena.com/current/ve in /home/forge/zugspitzarena.com/current/vendor/pimcore/pimcore/models/DataObject/AbstractObject.php on line 400