Issue: Undefined variable: navbits

Error Info
ErrorException: Undefined variable: navbits - vault/core/view/ui/discussion/vw.php:737 
Generated By: Budgetadvisoryservice, Today at 4:30 AM

Stack Trace
#0 /vault/core/view/ui/discussion/vw.php(737): XenForo_Application::handlePhpError(8, 'Undefined varia...', '/home/...', 737, Array)
#1 /vault/core/controller/ui/discussion/vw.php(1791): vw_UI_Discussion_View->index(Object(vw_UI_Discussion_Controller_XF), false)
#2 /vault/core/controller/ui/discussion/vw.php(141): vw_UI_Discussion_Controller->view()
#3 /vault/core/controller/ui/discussion/xf.php(72): vw_UI_Discussion_Controller->execute()
#4 /vault/core/view/ui/page/vw.php(278): vw_UI_Discussion_Controller_XF->execute()
#5 /vault/core/view/ui/page/vw.php(146): vw_UI_Page_View->get_comments(Object(vw_UI_Page_Controller_XF), false)
#6 /vault/core/controller/ui/page/vw.php(789): vw_UI_Page_View->view(Object(vw_UI_Page_Controller_XF))
#7 /vault/core/controller/ui/stack/vw.php(323): vw_UI_Page_Controller->view()
#8 /vault/core/controller/ui/stack/vw.php(250): vw_UI_Stack_Controller->view()
#9 /library/vw/XenForo/ControllerPublic/Wiki.php(68): vw_UI_Stack_Controller->execute()
#10 /library/XenForo/FrontController.php(351): vw_XenForo_ControllerPublic_Wiki->actionIndex()
#11 /library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#12 /index.php(13): XenForo_FrontController->run()
#13 {main}
Request State
array(3) {
  ["url"] => string(95) "https://site.com/wiki/Famous-Users?page=5&highlight=Edit+wiki+entry"
  ["_GET"] => array(2) {
    ["page"] => string(1) "5"
    ["highlight"] => string(15) "Edit wiki entry"
  }
  ["_POST"] => array(0) {
  }
}