Describe the problem

During the healing Timewalking Mage Tower Challenge (End of the Risen Threat), a lua error keeps occurring.

What steps will reproduce the problem?

1. Begin the End of the Risen Threat (healing) Mage Tower Challenge
2. Starting in the second wave of the first phase (assuming during the npc casts), a lua error starts to repeatedly occur.
3. The lua errors will continue throughout the phase.

Consider attaching a screenshot below to help describe your issue (Attach directly, do not link to other websites)

Message: ...tleWigs_Legion\ArtifactScenarios\LordErdrisThorn.lua:106: table index is nil
Time: Wed Jun  8 15:19:17 2022
Count: 6
Stack: ...tleWigs_Legion\ArtifactScenarios\LordErdrisThorn.lua:106: table index is nil
[string "=[C]"]: ?
[string "@Interface\AddOns\LittleWigs_Legion\ArtifactScenarios\LordErdrisThorn.lua"]:106: in function `?'
[string "@Interface\AddOns\BigWigs_Core\Core.lua"]:59: in function <Interface\AddOns\BigWigs_Core\Core.lua:54>

Locals: 

What version of LittleWigs are you using? (Stating 'latest' is not useful)

LittleWigs Version: v9.2.9
BigWigs Version: v243

Do you have an error log of what happened?

Message: ...tleWigs_Legion\ArtifactScenarios\LordErdrisThorn.lua:106: table index is nil
Time: Wed Jun  8 15:19:17 2022
Count: 6
Stack: ...tleWigs_Legion\ArtifactScenarios\LordErdrisThorn.lua:106: table index is nil
[string "=[C]"]: ?
[string "@Interface\AddOns\LittleWigs_Legion\ArtifactScenarios\LordErdrisThorn.lua"]:106: in function `?'
[string "@Interface\AddOns\BigWigs_Core\Core.lua"]:59: in function <Interface\AddOns\BigWigs_Core\Core.lua:54>

Locals: 

Any additional information? (example: WoW language if not English)

It's difficult to fully fix this without a Transcriptor combat log. Install the addon Transcriptor and generate a log for us by typing /ts and then doing the encounter, then attach it here or on our Discord.