not call the execution part statusCode == QCAR::TargetFinder::UPDATE_RESULTS_AVAILABLE

i am working in CloudReco. 

- (void) onQCARUpdate: (QCAR::State *) state

{

     const int statusCode = finder->updateSearchResults();

    if (statusCode < 0)

    {

    }

    else if (statusCode == QCAR::TargetFinder::UPDATE_RESULTS_AVAILABLE)

    {

            //  This Part Execute 4 month ago But Now It's Not Exuecute ....Why??????

   }

}

Please Suggest me Any Idea How To Working Well Befor 4 Month Ago 

Thanks.