Fatal error: Uncaught TypeError: Modules\User\Mappers\User::getUserById(): Argument #1 ($id) must be of type int, null given, called in /var/www/ilch/application/modules/forum/controllers/Showposts.php on line 113 and defined in /var/www/ilch/application/modules/user/mappers/User.php:24 Stack trace: #0 /var/www/ilch/application/modules/forum/controllers/Showposts.php(113): Modules\User\Mappers\User->getUserById() #1 /var/www/ilch/application/libraries/Ilch/Page.php(248): Modules\Forum\Controllers\Showposts->indexAction() #2 /var/www/ilch/application/libraries/Ilch/Page.php(137): Ilch\Page->loadController() #3 /var/www/ilch/index.php(68): Ilch\Page->loadPage() #4 {main} thrown in /var/www/ilch/application/modules/user/mappers/User.php on line 24