A BI-CONTENT installation problem

Dear guys，

I met a problem when installing BI-CONTENT.I select a cube and grouping In Data Flow Before,but i can not founded any transfermation there,there were only some Updaterules .

The question is i need transfermations and datasource 7.0s,how can i install the BI-CONTENT?

If you have met this problem,please tell me the solutions,thanks!