Thanks. Use the developer commands, campaign.add and there should be an option to add troops to your party. Use β€˜help’ to get a list of unit IDs for specific troops. Hey, kind of a hail mary here, but I changed my 'cheat_mode' to 1 yet my command console tells me cheats are not enabled.
\n \nmount and blade increase party size
Note that this was original mount and blade, but the same relationship of optimum number of horses changes based on weight holds (though the below doesn't include the party size factor, discussed in my reply elsewhere here on this reddit thread). The non quoted part of the experiment dealing with party morale is obviously obsolete in warband . 219 297 21 42 102 34 182 4 308

mount and blade increase party size