symfony - Error in Knp Paging -

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i new in symfony , trying integrate pagination knp pagination.

i using symfony2.8. did below code in controller

    $repository = $this->getdoctrine()->getrepository('adminbundle:cmspage');     $query = $repository->createquerybuilder('cmspage')->getquery();      $limit =   10; //$setting->getadminpagelimit();     //pagination             $paginator = $this->container->get('knp_paginator');     $pagination = $paginator->paginate($query, $this->container->get('request')->query->get('page', 1), $limit);

i received below error

catchable fatal error: argument 1 passed knp\component\pager\paginator::__construct() must instance of symfony\component\eventdispatcher\eventdispatcher, instance of symfony\component\httpkernel\debug\traceableeventdispatcher given, called in e:\xmapp_5.6\htdocs\elite\app\cache\prod\appproddebugprojectcontainer.php on line 1423 , defined


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