Fatal error: Uncaught TypeError: Modules\User\Mappers\Group::getUsersForGroup(): Argument #1 ($groupId) must be of type int, string given, called in C:\inetpub\vhosts\dart-freunde-habinghorst.de\httpdocs\application\modules\war\controllers\Index.php on line 176 and defined in C:\inetpub\vhosts\dart-freunde-habinghorst.de\httpdocs\application\modules\user\mappers\Group.php:130 Stack trace: #0 C:\inetpub\vhosts\dart-freunde-habinghorst.de\httpdocs\application\modules\war\controllers\Index.php(176): Modules\User\Mappers\Group->getUsersForGroup() #1 C:\inetpub\vhosts\dart-freunde-habinghorst.de\httpdocs\application\libraries\Ilch\Page.php(243): Modules\War\Controllers\Index->showAction() #2 C:\inetpub\vhosts\dart-freunde-habinghorst.de\httpdocs\application\libraries\Ilch\Page.php(137): Ilch\Page->loadController() #3 C:\inetpub\vhosts\dart-freunde-habinghorst.de\httpdocs\index.php(68): Ilch\Page->loadPage() #4 {main} thrown in C:\inetpub\vhosts\dart-freunde-habinghorst.de\httpdocs\application\modules\user\mappers\Group.php on line 130