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[NonconsensualSurgery]

Help! Some of my migrants think they're traders!

Most of my migrants are fine. They arrive as normal, obedient dwarves and run towards my entrance.

Some migrants arrive with "trader" as their profession. These have an @ symbol and sit on the very edge of the map with a dropped baby AI until they are killed or a dwarven caravan arrives. If they do survive until a caravan arrives, they will all run to the trade depot and act like normal traders and then leave when it does.

This is a serious problem because migrant waves always stop after the first dwarf with the trader profession. The next dwarf will not appear until they move, and if they never move that's it until next season.

I *did* mod the entity file; worldgen dwarves now live in caves instead of fortresses, goblins build outdoor fortifications etc. What I can't figure out is how any of these changes would cause any migrant with the trader profession to not be considered a member of my fortress. Has anyone else ever triggered this bug?

My broker has high trading skills yet functions normally for a dwarf. Only migrants with trading bug out.

[Sphalerite]

Known bug:

http://www.bay12games.com/dwarves/mantisbt/view.php?id=5098

I've had it happen in my community fortress.  I don't know any way to fix it.  The 'traders' will join and leave with the dwarven caravan, if they aren't killed by invaders.

[Garath]

I had it happen in a big way and they stayed for years untill killed.

[NonconsensualSurgery]

How widespread is the bug? Is every fortress/world affected, or just random ones?

[Garath]

I had it in three fortresses in that world (out of 3), but not in any other world.

[robertheinrich]

If you have dfhack installed this should fix your trader migrants (and non-trader migrants who don't enter your fort):

Spoiler (click to show/hide)

Paste this code into a text editor and save it as "fixmigrant.lua" into your df folder (the main one where the exe is, not any of the hack subfolders):

Code: [Select]

vec=df.global.world.units.all
pos=df.global.cursor
civ=df.global.ui.civ_id
fixed=false
for k,v in pairs(vec) do
if v.pos.x==pos.x and v.pos.y==pos.y and v.pos.z==pos.z then
print("unit id at cursor position:"..v.id)
if v.civ_id == civ and v.flags2.resident == true then
print("unit is from own civ but has resident flag set. removing it now.")
v.flags2.resident = false
fixed=true
end
if v.civ_id == civ and v.flags1.merchant == true then
print("unit is from own civ but has merchant flag set. removing it now.")
v.flags2.resident = false
fixed=true
end
end
end
if fixed==false then
print("there was nothing to fix at the cursor postion.")
end

Then move the in-game cursor over a bugged migrant/merchant (or it's corpse). In the dfhack console type:

Code: [Select]

dfuse
lua
dofile("fixmigrant.lua")
quit

[humblegar]

I partly abandoned a fort because of this.

Thank you for a solution!

Will causing a cave in beneath them also work? (I know they will die, but will migraints come?)