java.lang.NullPointerException

Dear Expert

I am using Quartus II 8.0, Nios II 8.0.

I do test Video_Daughtercard_Kit-v1.0.0 Examples(Cyclone II 2C70 DSP kit + TVP5146 Dual Decoder Daughter Card).

In SOPC Builder, click generate... i meet "java.lang.NullPointerException" error.

Sorry my English is poor. Please help me.