Hi Durga
I thing your iView's are in 3.X flow. SAPGUI 7.30 with Bex will not support 3.X flow Kindly refer the SAP Note 1410878 - Maintenance for BW 3.5 front-end add-ons
You can also try the same options in SAPGUI 7.20 with Bex analyzer
Regards
Ram