Fix editing main menu in ACP

Close #2491

diff --git a/wcfsetup/install/files/lib/acp/form/MenuEditForm.class.php b/wcfsetup/install/files/lib/acp/form/MenuEditForm.class.php
index 733c8e7a83e642d7c258d75792ba0e7f0c012de8..5ec14adf6377bc19ce492994dcf1072031be9a8b 100644 (file)
--- a/wcfsetup/install/files/lib/acp/form/MenuEditForm.class.php
+++ b/wcfsetup/install/files/lib/acp/form/MenuEditForm.class.php
@@ -99,7 +99,9 @@ class MenuEditForm extends MenuAddForm {
                        $boxAction->executeAction();
                }
                
-               SimpleAclHandler::getInstance()->setValues('com.woltlab.wcf.box', $this->menu->getBox()->boxID, $this->aclValues);
+               if ($this->menu->identifier !== 'com.woltlab.wcf.MainMenu') {
+                       SimpleAclHandler::getInstance()->setValues('com.woltlab.wcf.box', $this->menu->getBox()->boxID, $this->aclValues);
+               }
                
                $this->saved();