error on defeat of Myssil blocks quest completion

[Bananadine]

I was fighting Myssil with the Grand Corruptor, who had turned invisible. Myssil had summoned a giant spider. I killed her (but not the spider) with Moonlight Ray (I'm a halfling anorithil). The stack trace from the log below appeared and I reported the error; up to that point I had not noticed any problems. After I reported the error, I saw a problem: Although the Grand Corruptor was still friendly to me, he did not speak about our victory or give me any reward. Also, I don't have any entry for Anti-Antimagic in my quest list, and I do have "The fall of Zigur" in my quest list, uncompleted.

I didn't notice anything unusual happening during the fight, and I'm not aware of any exotic powers (like Fearscape or whatever) being used. The error is mysterious to me.

Here is the most relevant chunk of the log. (But there were many many more of these Map.lua errors, and possibly others, above and below this point.)

Code: Select all

Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
[LOG]	Felkaan casts Moonlight Ray.
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
[SPELL CRIT %]	23.08934837382
##Use Talent Lua Error##	T_MOONLIGHT_RAY	Actor:	3632	Felkaan
stack traceback:
	[C]: in function 'error'
	/engine/interface/ActorTalents.lua:162: in function </engine/interface/ActorTalents.lua:149>
Lua Error: /engine/interface/GameTargeting.lua:121: /engine/interface/ActorTalents.lua:162: /data/quests/anti-antimagic.lua:123: attempt to call method 'setEffect' (a nil value)
stack traceback:
	/data/quests/anti-antimagic.lua:123: in function 'myssil_dies'
	/data/zones/town-zigur/npcs.lua:122: in function 'check'
	/engine/interface/ActorLife.lua:91: in function 'die'
	/mod/class/Actor.lua:2931: in function 'die'
	/mod/class/interface/ActorLife.lua:33: in function 'takeHit'
	/mod/class/Actor.lua:2841: in function 'takeHit'
	/data/damage_types.lua:491: in function 'defaultProjector'
	/data/damage_types.lua:858: in function 'projector'
	/engine/interface/ActorProject.lua:219: in function 'project'
	/data/talents/celestial/star-fury.lua:41: in function </data/talents/celestial/star-fury.lua:37>
	[C]: in function 'xpcall'
	/engine/interface/ActorTalents.lua:160: in function </engine/interface/ActorTalents.lua:149>
	At [C]:-1 
	At [C]:-1 error
	At /engine/interface/GameTargeting.lua:121 fct
	At /engine/interface/GameTargeting.lua:127 targetMode
	At /engine/interface/GameTargeting.lua:196 accept
	At /engine/interface/GameTargeting.lua:203 fct
	At /engine/interface/PlayerHotkeys.lua:317 
	At /engine/KeyBind.lua:230 
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value
Map z-callback error: Z 19: /engine/Map.lua:1212: attempt to index a nil value

[Bananadine]

Also note that after experiencing this error, I protested by cutting down a large number of trees in Zigur. This did not appear to fix the problem. I don't know whether that's part of the bug.