Fatal error: Uncaught TypeError: reset(): Argument #1 ($array) must be of type array, null given in /html/includes/classes/steps.class.php:17 Stack trace: #0 /html/includes/classes/steps.class.php(17): reset(NULL) #1 /html/includes/artikel.inc.php(137): Steps->setCurrent('...') #2 /html/index.php(95): include('...') #3 {main} thrown in /html/includes/classes/steps.class.php on line 17