<t> Appreciate the response! Not sure on TO&E rulevars. I don't think I changed them. Does 331 Unique Units need to be on? I did share a link to the file on dropbox - many thanks for taking a look. I was so excited to try all my new units (mountain troops, Panthers, T-34s, etc.), but this issue ...

Confirmed it seems to have to do with my custom scenario. When I load new map with standard anewdawn3.at2, problem is gone. When I use my own, problem exists. Weird in that I haven't done anything advanced at all...

<t> So, played many hours of this game, never seen this. I am using a custom scenario file with my own SFTypes. They all seem to be working so far, but now when I click my Supreme HQ and choose the R-OUT (or R-IN), I get the following error:<br/>
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************** Exception Text ...