Fatal error: Uncaught Error: Class "TYPO3\CMS\Core\Information\Typo3Version" not found in /var/www/html/dev.hallescherfc.de/vendor/studiomitte/recordlist-thumbnail/ext_localconf.php:4 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/studiomitte/recordlist-thumbnail/ext_localconf.php on line 4