About don’t open vi!!!!

大家好﹐請問我在開啟vi的時候會出現這樣的對話框﹐開啟不了vi,請問是為什么啊﹐謝謝﹗﹗﹗﹗

An error occurred loading VI 'Test.vi.

LabVIEW load error code 11:VI version(7.0)cannot be converted to the current LabVIEW version(7.1) because it has no block diagram.