Qsys NCSIM : ncvlog: *E,ERRIPR: error within protected source code

Hi All,

Please give your valuable suggestion for this issue,

I was trying to simulate one of my Qsys design.

Simulation runs successfully when I use ModelSim-Altera.

But fails with Cadence. The error message which displayed while compilation is

" ncvlog: *E,ERRIPR: error within protected source code "

The Qsys Design has a NiosII, TPG, OnChip RAM, Clock, and Reset.

Both HDL and Test bench files are generated. And a script from "xyz_tb/sim/" is executed.

Thanks