From 15a4e60c98465ff4f19bd9c3fd232a816ff56ceb Mon Sep 17 00:00:00 2001
From: Marcel Werk <burntime@woltlab.com>
Date: Tue, 10 Feb 2015 00:57:59 +0100
Subject: [PATCH] Fixed error message during user group creation

---
 .../system/option/user/group/UserGroupOptionHandler.class.php   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/system/option/user/group/UserGroupOptionHandler.class.php b/wcfsetup/install/files/lib/system/option/user/group/UserGroupOptionHandler.class.php
index e728106868..b27cf23f57 100644
--- a/wcfsetup/install/files/lib/system/option/user/group/UserGroupOptionHandler.class.php
+++ b/wcfsetup/install/files/lib/system/option/user/group/UserGroupOptionHandler.class.php
@@ -130,7 +130,7 @@ class UserGroupOptionHandler extends OptionHandler {
 				throw new UserInputException($option->optionName, 'exceedsOwnPermission');
 			}
 		}
-		else if ($option->optionName == 'admin.user.accessibleGroups' && $this->group->isAdminGroup()) {
+		else if ($option->optionName == 'admin.user.accessibleGroups' && $this->group !== null && $this->group->isAdminGroup()) {
 			$hasOtherAdminGroup = false;
 			foreach (UserGroup::getGroupsByType() as $userGroup) {
 				if ($userGroup->groupID != $this->group->groupID && $userGroup->isAdminGroup()) {
-- 
2.20.1