Design studios on hana execution with blank page

Please do not delet this thread. i have searched all the forums and then  posting the questions.

i am unable to excute Design studios application on hana . but it excutes locally.

i have gone through few forms and it says sdk extenstions should be under  design studio_extensions package of hana studio in below thread.

http://scn.sap.com/community/businessobjects-design-studio/blog/2014/06/05/sap-businessobjects-design-studio-13--deployment-on-sap-hana

But when i try to expand designstudio_extensions package in hana studio i dont see any sdk extensions. i try to reactivate or no help is savailable.

Please let me know how to make them avaiabvle or any roles missing. i have SAP_ALL as roles

please let me know if  what causing design studio application when excute left with blank.

Regards,

Naiduz