Fatal error: Uncaught TypeError: menu_class::urlencode(): Argument #1 ($url) must be of type string, null given, called in /mnt/web010/c2/08/57393908/htdocs/NEW/lib/classes/artikel_class.php on line 1094 and defined in /mnt/web010/c2/08/57393908/htdocs/NEW/lib/classes/menu_class.php:1973
Stack trace:
#0 /mnt/web010/c2/08/57393908/htdocs/NEW/lib/classes/artikel_class.php(1094): menu_class->urlencode()
#1 /mnt/web010/c2/08/57393908/htdocs/NEW/lib/classes/artikel_class.php(119): artikel_class->check_artikel()
#2 /mnt/web010/c2/08/57393908/htdocs/NEW/all_inc_front.php(64): artikel_class->make_inhalt()
#3 /mnt/web010/c2/08/57393908/htdocs/NEW/index.php(17): require_once('...')
#4 {main}
  thrown in /mnt/web010/c2/08/57393908/htdocs/NEW/lib/classes/menu_class.php on line 1973