[b19] Unable to move in Dark Crypt

[eronarn]

I get this Lua error in the console:

24 frames in 1.014 seconds = 23.6686 FPS (38 keyframes)
Lua Error: /mod/ai//target.lua:30: bad argument #1 to 'max' (number expected, got nil)
At [C]:-1
At [C]:-1 max
At /mod/ai//target.lua:30
At (tail call):-1
At /mod/ai//target.lua:66
At (tail call):-1
At /engine/ai//talented.lua:56
At (tail call):-1
At (tail call):-1
At /mod/class/NPC.lua:47 act
At /engine/GameEnergyBased.lua:73 tick
At /engine/GameTurnBased.lua:44 tick
At /mod/class/Game.lua:622

[greycat]

Same as http://forums.te4.org/viewtopic.php?f=42&t=24364 I assume. Wish the other guy had used a better subject.