Fatal error: Uncaught TypeError: mktime(): Argument #6 ($year) must be of type ?int, string given in /www/htdocs/w0089e08/sta2018/lib/classes/artikel_class.php:1382 Stack trace: #0 /www/htdocs/w0089e08/sta2018/lib/classes/artikel_class.php(1382): mktime('22', '00', 0, '12', '31', '2010 22:00') #1 /www/htdocs/w0089e08/sta2018/lib/classes/artikel_class.php(1088): artikel_class->get_anzahl() #2 /www/htdocs/w0089e08/sta2018/lib/classes/artikel_class.php(119): artikel_class->check_artikel() #3 /www/htdocs/w0089e08/sta2018/all_inc_front.php(64): artikel_class->make_inhalt() #4 /www/htdocs/w0089e08/sta2018/index.php(17): require_once('/www/htdocs/w00...') #5 {main} thrown in /www/htdocs/w0089e08/sta2018/lib/classes/artikel_class.php on line 1382