Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /home/.sites/655/site8942798/web/flohmarkt-plus/includes/classes/AddListing.php:105
Stack trace:
#0 /home/.sites/655/site8942798/web/flohmarkt-plus/includes/classes/AddListing.php(105): in_array()
#1 /home/.sites/655/site8942798/web/flohmarkt-plus/includes/controllers/add_listing.inc.php(101): Flynax\Classes\AddListing->init()
#2 /home/.sites/655/site8942798/web/flohmarkt-plus/index.php(242): require_once('/home/.sites/65...')
#3 {main}
  thrown in /home/.sites/655/site8942798/web/flohmarkt-plus/includes/classes/AddListing.php on line 105