Zone Loading Bar Bounces Back and Forth, Never Loads

[Planetus]

I've seen this bug popping up more and more frequently lately, and when it does, it usually completely ends any character it happens on. When I go into a new zone, the bar that says it's loading the zone fills and empties about twice a second, much faster than usual, and never finishes. My only escape here is to crash the game. If this happens when loading in a situation that doesn't produce an auto-save, I'm fine and can do it again. If it does produce an auto-save, though, I end up in a weird zone where I can't move, can't activate most abilities, no turns pass, and the background is either completely gone, or vastly simplified.

A while ago, I passed one of these save files to DarkGod, but he said it looked like the file was completely unsavable. That was about a year ago, but since Ashes of Urh'Rok (and using several mods which may contribute), I've had 3 characters end this way. Anyone have any idea what could do this?

[Doctornull]

There ought to be some kind of error at the end of your te4_log.txt file.

[Planetus]

Next time this happens, I'll remember to check.

[babeuf]

I've had the same error happen. Here's my error log:

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 /data-Spellsword/talents/spells/lifetide.lua:90 on_learn
At /engine/interface/ActorTalents.lua:359 learnTalent
At /mod/class/Actor.lua:3962 learnTalent
At /engine/resolvers.lua:90
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:726 unload
At /engine/Game.lua:379 unregisterDialog
At /mod/dialogs/ShowEquipInven.lua:176
At /engine/KeyBind.lua:263 triggerVirtual
At /engine/ui/Dialog.lua:336 fct
At /engine/Mouse.lua:56