[asheshouse]

You should try running through the actors tools tutorial.
It should all be clear then.

If you want a blank actors.static just make a blank file in a text editor and call it actors.static

To create a new smaller actors.static from an existing one extract the actors.static to get out*.txt then delete part of the outBuilding.txt, then rename all out*.txt files in*.txt
Then run create

There are some other quirks to consider --- read the tutorial noted above.

Using the Slovakia files the largest area I could get to load in FMB was 50x50km -- less than 1/8 of the map