ToME: the Tales of Maj'Eyal

Lua Error: /engine/interface/ActorTalents.lua:328: attempt to index local 't' (a nil value)
At [C]:-1 __index
At /engine/interface/ActorTalents.lua:328 learnTalent
At /mod/class/Actor.lua:3962 learnTalent
At /mod/class/interface/ActorInscriptions.lua:103 setInscription
At /mod/resolvers.lua:651
At /engine/Entity.lua:571 resolve
At /engine/Zone.lua:473 finishEntity
At /engine/Zone.lua:414 makeEntity
At /mod/class/generator/actor/Random.lua:44 generateOne
At /engine/generator/actor/Random.lua:118 regenFrom
At /engine/generator/actor/Random.lua:47 generate
At /engine/Zone.lua:934 newLevel
At /engine/Zone.lua:829 getLevel
At /mod/class/Game.lua:854 changeLevelReal
At /mod/class/Game.lua:734 changeLevel
At /mod/class/Game.lua:1740
At /engine/KeyBind.lua:241

You have an addon that calls the NPC file somewhere bad, like inside a talent file but not inside a function.
This causes the npc talent list to be initialised before all the talents are loaded.