Same for me.  And also getting this one,

1x Skinner/Core/UtilFuncs.lua:1145: attempt to index field 'obj' (a nil value)
[string "@Skinner/AddonSkins/Details.lua"]:206: in function <Skinner/AddonSkins/Details.lua:182>
[string "=[C]"]: in function xpcall' [string "@Skinner/Core/UtilFuncs.lua"]:359: in function <Skinner/Core/UtilFuncs.lua:352> [string "=(tail call)"]: ? [string "@Skinner/AddonSkins/Details.lua"]:12: in function <Skinner/AddonSkins/Details.lua:8> [string "=[C]"]: in function xpcall'
[string "@Skinner/Core/UtilFuncs.lua"]:359: in function <Skinner/Core/UtilFuncs.lua:352>
[string "=(tail call)"]: ?
[string "@Skinner/Core/AddonFrames.lua"]:104: in function `AddonFrames'
[string "@Skinner/Core/Skinner.lua"]:484: in function <Skinner/Core/Skinner.lua:484>

Originally posted by @MetalHeadSeven in #164 (comment)