...
Example: Physical path of Report UI folder and Path of ReportUI GinesysReportUI set in IIS server is same or not.
Ex : C : \ GSL\GINESYS12\GinesysReport\ReportUI = below picture.
...
a.Check Report Applications ( Report UIGinesysReportUI, Report API GinesysReportAPI must be run from GinesysReportAppPool.
...