Hello! 

I am working on an array project and I have encountered this error multiple times already. Since the array is quite computationally expensive, I use the frequency solver (with array task) to get the farfield results at one frequency point and further combine results to get the beamformed radiation pattern. Sometimes this works, sometimes not, and I can't figure out why. I have attached a screenshot with the solver settings. Does anyone have an idea about how I can set it up reliably? 

Thanks! 

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