If you are trying to do a linear static only Subcase, then you need to add ANALYSIS=STATIC inside that Subcase, in which case the NLPARM or NLSTEP won't be necessary. The default for a Subcase in SOL400 is ANALYSIS=NLSTATIC, which does require an NLPARM or NLSTEP.
If you are trying to do a linear static only Subcase, then you need to add ANALYSIS=STATIC inside that Subcase, in which case the NLPARM or NLSTEP won't be necessary. The default for a Subcase in SOL400 is ANALYSIS=NLSTATIC, which does require an NLPARM or NLSTEP.
