Invoke Callbacks in Pcell and PVS

Hello,

I am building a PCell which includes a transistor of a PDK and to invoke the callbacks I am using the CCSinvokedCallbacks function recommended in "How to call CDF callbacks procedurally from SKILL?".

I am loading the CCSinvokedCallbacks file:

load("CCSinvokeCdfCallbacks.il")

I call the CCSinvokedCallbacks in my PCell code and when I include my PCell in the layout, it works!

But when I am now using PVS to check for drc errors I get the following errors:

*WARNING* (DB-270001): Pcell evaluation for TESTS/test/layout has the following error(s):

*WARNING* (DB-270002): ("eval" 0 t nil ("*Error* eval: undefined function" CCSinvokeCdfCallbacks))

*WARNING* (DB-270003): Error kept in "errorDesc" property of the label "pcellEvalFailed" on layer/purpose "marker/error" in the submaster.

ERROR (XSTRM-231): Pcell evaluation failed for 'TESTS/test/layout' because the pcell SKILL code contains either a syntax error or an unsupported XStream function. Check the standard output or the Virtuoso log file for more information. Either correct the pcell SKILL code or ignore the error by enabling the 'ignorePcellEvalFail' option for XStream Out.

INFO (XSTRM-273): Translation failed. '1' error(s) and '6' warning(s) found.

What is the recommanded way to get around this?
Thank you in advance.

Best regards

Tobias