TSM Error

Message: ...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:241: attempt to call upvalue 'GetNumPurchasableTraits' (a nil value)
Time: Tue Jul 17 22:40:27 2018
Count: 4
Stack: ...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:241: attempt to call upvalue 'GetNumPurchasableTraits' (a nil value)
...ce\AddOns\TradeSkillMaster\Core\Lib\ErrorHandler.lua:699: in function <...ce\AddOns\TradeSkillMaster\Core\Lib\ErrorHandler.lua:656>
[C]: ?
...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:241: in function <...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:233>
...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:258: in function <...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:254>
...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:321: in function `?'
...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:68: in function <...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:68>

Locals: errMsg = "...mut\libs\LibArtifactData-1.0\LibArtifactData-1.0.lua:241: attempt to call upvalue 'GetNumPurchasableTraits' (a nil value)"
errorTime = 27896133.005503
tsmErrMsg = nil
notOld = false
oldModule = nil
private = <table> {
 AddonBlockedEvent = <function> defined @Interface\AddOns\TradeSkillMaster\Core\Lib\ErrorHandler.lua:369
 num = 0
 ErrorHandler = <function> defined @Interface\AddOns\TradeSkillMaster\Core\Lib\ErrorHandler.lua:104
 errorFrame = <unnamed> {
 }
 origErrorHandler = <function> defined @Interface\SharedXML\SharedBasicControls.lua:295
 errorReports = <table> {
 }
 SubmitErrorReport = <function> defined @Interface\AddOns\TradeSkillMaster\Core\Lib\ErrorHandler.lua:384
 SantizeErrorReportString = <function> defined @Interface\AddOns\TradeSkillMaster\Core\Lib\ErrorHandler.lua:377
 IsTSMAddon = <function> defined @Interface\AddOns\TradeSkillMaster\Core\Lib\ErrorHandler.lua:349
}
MAX_STACK_DEPTH = 50
TSM = <table> {
}