Catchable fatal error: Argument 1 passed to Sunzinet\SzSeminars\Controller\SeminarTimeController::detailAction() must be an instance of Sunzinet\SzSeminars\Domain\Model\SeminarTime, null given in /usr/www/users/dhiparis/live/typo3conf/ext/sz_seminars/Classes/Controller/SeminarTimeController.php on line 262