Thermostat won't set on OpenStudio 10.11 win64

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Hi everyone. I've missed this place for some time :D

I have a copy of a OpenStudio 10.11 x64 on a Windows 10 and SketchUp Make 2016. Everything seems to be fine expect the fact that in the Inspector window, thermostat setting is disabled and can't be changed.

I did try to change that via the space settings tool but what happens is that if the model only contain one space and hence one thermal zone or two spaces and thermal zones with no adjacency the thermostat may be set with the space settings tools but when you have spaces with adjacency, when you change that setup with space settings it won't be applied.

So the question here is, Is this a bug, or change in policy?

Thanks a lot.