Issue: Undefined index: filename

Server Error Log
Error Info
ErrorException: Undefined index: filename - vault/core/controller/asset/xf.php:70
Generated By: Unknown Account, Today at 4:40 PM
Stack Trace
#0 /home/control/public_html/vault/core/controller/asset/xf.php(70): XenForo_Application::handlePhpError(8, 'Undefined index...', '/home/control/p...', 70, Array)
#1 /home/control/public_html/vault/core/controller/asset/vw.php(85): vw_Asset_Controller_XF->serve_asset()
#2 /home/control/public_html/library/vw/XenForo/ControllerPublic/Wiki/Asset.php(35): vw_Asset_Controller->resolve()
#3 /home/control/public_html/library/XenForo/FrontController.php(337): vw_XenForo_ControllerPublic_Wiki_Asset->actionIndex()
#4 /home/control/public_html/library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#5 /home/control/public_html/index.php(13): XenForo_FrontController->run()
#6 {main}
Request State
array(3) {
  ["url"] => string(49) "http://www.controlbooth.com/wiki-asset/?pid=14286"
  ["_GET"] => array(1) {
    ["pid"] => string(5) "14286"
  }
  ["_POST"] => array(0) {
  }
}