HI!, Can you help me to understand this message and how to fix it?
It's the first time I see it,
Go to Solution.
1. Discussion - "Options greyed out in "Mechanism"": https://community.ptc.com/t5/3D-Part-Assembly-Design/Options-greyed-out-in-quot-Mechanism-quot/td-p/...
2. Article - "In the analysis definition dialog of Creo simulate 2.0, the nonlinear option "plasticity" is inactivated if a to-ground spring is in the model": https://www.ptc.com/en/support/article/CS94508
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