Issue: Undefined index: langgroupid

ErrorException: Undefined index: langgroupid - vault/core/controller/ui/assign/language/vw.php:389 
Generated By: Alfa, A moment ago

Stack Trace
#0 /vault/core/controller/ui/assign/language/vw.php(389): XenForo_Application::handlePhpError(8, 'Undefined index...', '/home/...', 389, Array)
#1 /vault/core/controller/ui/edit/page/vw.php(562): vw_UI_Assign_Language_Controller->save_assignments(Object(vw_UI_Category_Controller), Array, Array)
#2 /vault/core/controller/ui/edit/vw.php(266): vw_UI_Edit_Page_Controller->process_assignments(Object(vw_UI_Category_Controller), Array, Array)
#3 /vault/core/controller/ui/create/vw.php(275): vw_UI_Edit_Controller->save(Object(vw_UI_Category_Controller))
#4 /vault/core/controller/ui/category/vw.php(258): vw_UI_Create_Controller->publish(Object(vw_UI_Category_Controller))
#5 /vault/core/controller/ui/category/vw.php(63): vw_UI_Category_Controller->publish()
#6 /vault/core/controller/ui/stack/vw.php(236): vw_UI_Category_Controller->execute()
#7 /library/vw/XenForo/ControllerPublic/Wiki.php(68): vw_UI_Stack_Controller->execute()
#8 /library/XenForo/FrontController.php(351): vw_XenForo_ControllerPublic_Wiki->actionIndex()
#9 /library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#10 /index.php(13): XenForo_FrontController->run()
#11 {main}
Request State
array(3) {
  ["url"] => string(103) "https:// site.com /wiki/Category:area51-Beta-Test-Wiki-Page?do=dolist&itemtypeid=1"
  ["_GET"] => array(2) {
    ["do"] => string(6) "dolist"
    ["itemtypeid"] => string(1) "1"
  }
  ["_POST"] => array(25) {
    ["message_html"] => string(22) "<p>sojdfweihjo<br></p>"
    ["_xfRelativeResolver"] => string(104) "https://site.com/wiki/Category:area51-Beta-Test-Wiki-Page?do=newitem&itemtypeid=1"
    ["query"] => string(0) ""
    ["categoryids"] => array(1) {
      [0] => string(4) "1404"
    }
    ["prefixid"] => string(1) "0"
    ["edittitle"] => string(12) "hdiwfheiuhui"
    ["typelist"] => array(3) {
      [13] => string(1) "0"
      [14] => string(1) "0"
      [24] => string(1) "0"
    }
    ["areaid"] => string(1) "2"
    ["itemlangid"] => string(1) "1"
    ["icontype"] => string(0) ""
    ["fonticon"] => string(4) "f016"
    ["icon"] => string(0) ""
    ["_xfToken"] => string(8) "********"
    ["do"] => string(6) "dolist"
    ["itemtypeid"] => string(1) "1"
    ["categoryid"] => string(4) "1404"
    ["section"] => string(1) "0"
    ["posthash"] => string(32) "ecb24944c1798e4092a1e60449fef125"
    ["poststarttime"] => string(10) "1478795296"
    ["revparentid"] => string(0) ""
    ["loggedinuser"] => string(1) "1"
    ["sbutton"] => string(15) "Create New Page"
    ["parseurl"] => string(1) "1"
    ["notifytype"] => string(1) "1"
    ["sub_options"] => array(1) {
      ["item_edits"] => string(1) "1"
    }
  }
}