[Fantasy Skirmish] Model & unit points cost question

Hi folks,

When building a warband on Army Forge, the pre-made warbands appear to be incorrectly costed. For example, the Duchies of Vinci pre-made Ignatio Warband shows to be 250pts. When I print it on Army Forge, the warband sheet says 230pts. When I manually cost it up (inputting each model in each unit), its 270pts.

Now I'm terrible at maths, but am I also missing something key here? Are units costed differently to single models? Are there issues with army forge or pre-made lists being out of date?

Any help would be great, I'm playing my first game later!