Lua Error (Artifact)

[Akns]

Make the artifact grey (can't open it). Same for the Artifact forge.

50x FrameXML\MainMenuBar.lua:125: Usage: local cost = C_ArtifactUI.GetCostForPointAtRank(rank, tier)
[C]:: in function 'GetCostForPointAtRank'
FrameXML\MainMenuBar.lua:125: in function <FrameXML\MainMenuBar.lua:123>
...lUI\Libs\LibArtifactData-1.0\LibArtifactData-1.0-12.lua:232: in function <...lUI\Libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:223>
...lUI\Libs\LibArtifactData-1.0\LibArtifactData-1.0-12.lua:247: in function <...lUI\Libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:243>
...lUI\Libs\LibArtifactData-1.0\LibArtifactData-1.0-12.lua:310: in function '?'
...lUI\Libs\LibArtifactData-1.0\LibArtifactData-1.0-12.lua:68: in function <...lUI\Libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:68>