Unable to perform topography optimization on Slider model

stil yet I have performed topology and free size optimization without any problem and also one model on topography.

when i tried to perform topography optimization on slider model few iterations are happening but not getting the feasible solution and it is showing many errors.

here I am attaching two images of two types of error I got

please let me know whether I can share the model and procedure here.

 

Thanks and Regards

Tejas J

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