It was the same issue as [#3881] Bug on CBSubs Content with Joomla 3.0 and SEF. My issue is resolved.
I edited the:
/components/com_comprofiler/plugin/user/plug_cbpaidsubscriptions/plugin/cbsubscontent/cbsubs.content_access.php at line 528
i replaced
$getPostArray=array_merge( $_GET, $_POST);
with
$getPostArray=array_merge( $_GET, $_POST,jRequest::get() );