TypeError: Akademie_fortschritt::erzeugeEintrag(): Argument #1 ($teilnehmerID) must be of type ?int, string given, called in /home/users/kmg/www/akademie.kmg-kuechen.de/class_inc/class.akademie_fortschritt_inc.php on line 231 and defined in /home/users/kmg/www/akademie.kmg-kuechen.de/class_inc/class.akademie_fortschritt_inc.php:34
Stack trace:
#0 /home/users/kmg/www/akademie.kmg-kuechen.de/class_inc/class.akademie_fortschritt_inc.php(231): Akademie_fortschritt->erzeugeEintrag()
#1 /home/users/kmg/www/akademie.kmg-kuechen.de/class_inc/class.akademie_kurslektion_inc.php(59): Akademie_fortschritt->getFortschritt()
#2 /home/users/kmg/www/akademie.kmg-kuechen.de/class_inc/class.akademie_kursthema_inc.php(114): Akademie_kurslektion->getlernfortschritt()
#3 /home/users/kmg/www/akademie.kmg-kuechen.de/show_inc/home_inc.php(155): Akademie_kursthema->getlernfortschritt()
#4 /home/users/kmg/www/akademie.kmg-kuechen.de/index.php(142): require('...')
#5 {main}