Fatal error: Uncaught TypeError: Return value of pages\Functionary\Functionary::getPlayerId() must be of the type integer, null returned in /www/htdocs/w0175a4b/sozone.de/lib/pages/Functionary/Functionary.php:128 Stack trace: #0 /www/htdocs/w0175a4b/sozone.de/modules/mitarbeiter_detail.php(15): pages\Functionary\Functionary->getPlayerId() #1 /www/htdocs/w0175a4b/sozone.de/index.php(99): require_once('/www/htdocs/w01...') #2 {main} thrown in /www/htdocs/w0175a4b/sozone.de/lib/pages/Functionary/Functionary.php on line 128