Fatal error: Uncaught TypeError: mktime(): Argument #6 ($year) must be of type ?int, string given in /mnt/web522/b2/63/510398863/htdocs/zeltplatz/lib/classes/artikel_class.php:1382 Stack trace: #0 /mnt/web522/b2/63/510398863/htdocs/zeltplatz/lib/classes/artikel_class.php(1382): mktime() #1 /mnt/web522/b2/63/510398863/htdocs/zeltplatz/lib/classes/artikel_class.php(1088): artikel_class->get_anzahl() #2 /mnt/web522/b2/63/510398863/htdocs/zeltplatz/lib/classes/artikel_class.php(119): artikel_class->check_artikel() #3 /mnt/web522/b2/63/510398863/htdocs/zeltplatz/all_inc_front.php(64): artikel_class->make_inhalt() #4 /mnt/web522/b2/63/510398863/htdocs/zeltplatz/index.php(17): require_once('...') #5 {main} thrown in /mnt/web522/b2/63/510398863/htdocs/zeltplatz/lib/classes/artikel_class.php on line 1382