Comment (by Zach Etienne):

What is the accepted way to deal with this?

It’s trivial to update the parameter file to make it work again. One idea: put the parameters back in so that a more detailed error message may be provided to the user, explaining how to update their parameter file?

Longer term I think the whole ID_converter_ILGRMHD thorn should be deprecated – its functionality merged into IllinoisGRMHD proper.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2300/update-add-piecewise-polytrope-eos-support