Edit: messaged the mod maker the lua error and he fixed it.
However, I'm also getting another lua error. This one is whenever I log in, it opens a broken artifact power page.
Lua Code:
Message: ...ddOns\Blizzard_ArtifactUI\Blizzard_ArtifactPerks.lua:24: Usage: GetAppearanceInfoByID(artifactAppearanceID)
Time: 10/03/16 01:05:36
Count: 216
Stack: ...rface\AddOns\TradeSkillMaster\Debug\ErrorHandler.: in function <...rface\AddOns\TradeSkillMaster\Debug\ErrorHandler.>
[C]: ?
[C]: in function `GetAppearanceInfoByID'
...ddOns\Blizzard_ArtifactUI\Blizzard_ArtifactPerks.lua:24: in function `RefreshModel'
...ddOns\Blizzard_ArtifactUI\Blizzard_ArtifactPerks.: in function `TryRefresh'
...ddOns\Blizzard_ArtifactUI\Blizzard_ArtifactPerks.lua:81: in function <...ddOns\Blizzard_ArtifactUI\Blizzard_ArtifactPerks.lua:80>