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I am running a python script to do dynamic contingency analysis. The command dyntools.CHNF() (to get the output channel values) causes python to crash when there are some NaN values. There is no error message, python just crashes.

Has anyone else encountered this behavior and found any ways to either skip over this issue or fix it? Ideally, i want to skip to the next simulation when this happens.

I couldnt find the command 'dyntools.CHNF()' in the PSSE API module as well. I was looking for ways to skip getting the output data if there were NaN values in the output channels.