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Shell file could not be opened for input, Adams 2019.2.

I have a model using 3D contact of gears created through the machinery plugin. Every time simulate the model I get the warning that the shell file could not be opened for input. This is true if I run the program as administrator or not. Is there some configuration or setting I need to change for the run location to allow Adams to write the files it needs?
 
I am able to export the shell file successfully to the working directory. If I export and name the files properly Adams finds them and uses them properly.