Question: Problem of modeling Schatz mechanism in MapleSim

Hello,

I'm working in MapleSim to model a mechanism called Schatz which has a six-Revolut, known whit TURBULA name.
I modeled the mechanism in CREO to have a CAD part to use in maplesim.
everything is okay when I run the simulation without a speed constant. as shown in the picture above.
when I add a speed source, MapleSim finds an error (Internal error occurred during the simulation).
Can someone help me please?
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