Fatal error: Uncaught Error: Class "TYPO3\CMS\Tstemplate\Controller\AbstractTemplateModuleController" not found in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-tstemplate/Classes/Controller/InfoModifyController.php:34 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/typo3/cms-tstemplate/Classes/Controller/InfoModifyController.php on line 34