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XF 1.5 Server Error Undefined index: csrf_token


Active member
Server Error
Undefined index: csrf_token
  1. XenForo_Application::handlePhpError() in XenForo/Model/User.php at line 966
  2. XenForo_Model_User->getVisitingUserById() in XenForo/Visitor.php at line 415
  3. XenForo_Visitor::setup() in XenForo/Install/Controller/Upgrade.php at line 345
  4. XenForo_Install_Controller_Upgrade->actionLogin() in XenForo/FrontController.php at line 351
  5. XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 134
  6. XenForo_FrontController->run() in /home/................................../install/index.php at line 18

I have moved my old domain to a sub domain and i'm getting this error upon installation.

Any suggestion?


XenForo developer
Staff member
This is referencing a column in the database, so I could only guess that an add-on is causing problems or there are missing elements in your database.