ToME: the Tales of Maj'Eyal

Game version (character creation): tome-1.6.5\
Lua Error: /engine/interface/ActorTalents.lua:329: /engine/interface/ActorTalents.lua:302: /engine/interface/ActorTalents.lua:164: /data-orcs/talents/steam/chemical-warfare.lua:194: attempt to index a nil value\
stack traceback:\
\9/data-orcs/talents/steam/chemical-warfare.lua:194: in function </data-orcs/talents/steam/chemical-warfare.lua:167>\
\9[C]: in function 'xpcall'\
\9/engine/interface/ActorTalents.lua:162: in function </engine/interface/ActorTalents.lua:151>\
At [C]:-1 \
At [C]:-1 error\
At /engine/interface/ActorTalents.lua:329 \
At /mod/ai//improved_tactical.lua:1081 \
At /mod/class/interface/ActorAI.lua:70 runAI\
At /mod/ai//improved_tactical.lua:1142 \
At /mod/class/interface/ActorAI.lua:70 doAI\
At /mod/class/NPC.lua:77 act\
At /engine/GameEnergyBased.lua:129 tickLevel\
At /engine/GameEnergyBased.lua:64 tick\
At /engine/GameTurnBased.lua:51 tick\
At /mod/class/Game.lua:1528 "
seen = true
reported = false


all skills are used on myself, and none of them can target the enemy as normal. Is it possible to restore my character? Please let me know how to upload my save files.

Also there is a but if your TK grip doesn't grip anything, when you try to check mobs ther eis lua error but I reported it through via game bug reporter.