fix this error
#0 src/addons/XV/Pub/Controller/Search.php(370): XF::handlePhpError(8, '[E_NOTICE] Unde...', '/home3/forumsfa...', 370, Array)
#1 src/XF/Mvc/Dispatcher.php(352): XV\Pub\Controller\Search->actionUpdateNotice(Object(XF\Mvc\ParameterBag))
#2 src/XF/Mvc/Dispatcher.php(259)...