AMS Netlister Error: "Illegal non-local reference to constant function [10.3.5(IEEE)]"

I am simulating corners using ADE XL and the AMS simulator.  Netlisting fails with the above error. 

The offending line in the netlist is:     defparam  I15.CORNER = pPar("CORNERVAL");

I15 is a systemverilog model that does NOT contain a parameter named CORNER. 

I edited the CDF to remove the component parameter named CORNER, but it keeps reappearing, and causing the same error message. 

Thanks in advance for any help.   

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