About the HFSS simulation error:"eigen" died

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y99lx

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hfss simulation completed with execution error

DEar HFSS experts,

When I model cavity using HFSS, I was often annoyed by the error below:

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[error] hfsscomengine, process hf3d : subprocess "eigen" died unexpectedly.
[error] Simulation completed with execution error on server: Local Machine.
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Each time, I try to change a certain size of a part, and then this ghost disappeared.

I want to know what results in this error and how to present it before running, since if it terminates before the end, it can waste much time and engery.

Thanks.
Tommy
 

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