Fatal error: Uncaught TypeError: getLevel(): Return value must be of type Level, null returned in /homepages/28/d754068921/htdocs/tanzschule-breuer-koeln/ServiceApps/user/pages/components/db/getLevels.php:51 Stack trace: #0 /homepages/28/d754068921/htdocs/tanzschule-breuer-koeln/ServiceApps/user/pages/user.php(12): getLevel() #1 {main} thrown in /homepages/28/d754068921/htdocs/tanzschule-breuer-koeln/ServiceApps/user/pages/components/db/getLevels.php on line 51