I've created a new faction as well as an encounter but whenever I get in an area where they should appear they don't and I get some errors in the server console.

E:\FL\Scratch\Source\Common\CSolar.cpp(606) : *** ERROR: space costume head 0 does not exist
E:\FL\Scratch\Source\Common\CEqObj.cpp(463) : *** WARNING: alloc_equip: Archetype[0x8000bec6 not supported/equippable!

I've used a number of different costumes and even none but it doesn't work. Here is my faction_prop:

[FactionProps
affiliation = rough
legality = lawful
nickname_plurality = plural
jump_preference = any
npc_ship = roughriders_ship01
firstname_male = 226608, 226741
firstname_female = 226808, 226952
lastname = 227008, 227307
rank_desig = 197140, 197140, 197140, 10, 14
formation_desig = 197821, 197828
msg_id_prefix = ignore
formation = fighters, fighter_guild

I've searched for this problem and haven't found something and would appreciate any help. Thanks