Thanks to all for the advices.

Giving it to all faction might work? I'll work on it!

By the way, "inquisator" was the name of the new agent I created (if you use GoogleDesktop and search, you'll find all the models and images for the "inquisator" unit, both .tga and _info; probably it was supposed to be used AND recruited, as there are the colors of inquisitors in all nations who had it in MTW's appropriate directories).

I tried deleting the "inquisator" and making the inquisitor in its place, but it gives the same error about the inquisitor:

Script Error in data/export_descr_buildings.txt, at line 3323, column 15
Unknown agent type specified: inquisitor

So I believe it was not (only) a spelling mistake. It seems that making it available also make it Unknown (obviously there are dozens of files I must have placed in wrong places, so I'll post my progress here).

Please continue to write your opinion as it's very useful to me.