Hello dougrus, welcome here!
I do not know if it is a trial version issue, but if not, did you have a look at these topics ?
Maybe it can help.
How to record MG2 in Studio One
Studio One - no midi from Midi Guitar 2
In general, type keywords like “studio one” in the Search field and you’ll have several results about MG2 with Studio One.
Hope you’ll find something useful 