Klix x Masque Error

1x ...aceElvUI_KlixUI\modules\professions\tabs.lua:119: attempt to index field 'ishadow' (a nil value)
...aceElvUI_KlixUI\modules\professions\tabs.lua:119: in function `CreateTab'
...aceElvUI_KlixUI\modules\professions\tabs.lua:143: in function `Initialize'
ElvUI_KlixUI\core\core.lua:57: in function `InitializeModules'
ElvUI_KlixUI\core\core.lua:117: in function `?'
...\Libraries\LibElvUIPlugin-1.0\LibElvUIPlugin-1.0-31.lua:313: in function <...\Libraries\LibElvUIPlugin-1.0\LibElvUIPlugin-1.0.lua:309>
[C]: in function `Initialize'
ElvUI\init.lua:205: in function <ElvUI\init.lua:204>

Locals:
self = <table> {
 baseName = "ElvUI_KlixUI"
 SetDefaultModuleLibraries = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:367
 SetDefaultModulePrototype = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:409
 SendMessage = <function> defined @LibSharedMedia-3.0\CallbackHandler-1.0\CallbackHandler-1.0.lua:59
 Enable = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:294
 NewModule = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:235
 moduleName = "TradeTabs"
 EnableModule = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:332
 modules = <table> {
 }
 GetModule = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:210
 IterateEmbeds = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:442
 IsModule = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:217
 UnregisterAllEvents = <function> defined @LibSharedMedia-3.0\CallbackHandler-1.0\CallbackHandler-1.0.lua:174
 defaultModuleLibraries = <table> {
 }
 CreateTab = <function> defined @ElvUI_KlixUI\modules\professions\tabs.lua:92
 UnregisterMessage = <function> defined @LibSharedMedia-3.0\CallbackHandler-1.0\CallbackHandler-1.0.lua:153
 SetEnabledState = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:424
 RegisterMessage = <function> defined @LibSharedMedia-3.0\CallbackHandler-1.0\CallbackHandler-1.0.lua:90
 enabledState = true
 SetDefaultModuleState = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:387
 RegisterEvent = <function> defined @LibSharedMedia-3.0\CallbackHandler-1.0\CallbackHandler-1.0.lua:90
 UnregisterAllMessages = <function> defined @LibSharedMedia-3.0\CallbackHandler-1.0\CallbackHandler-1.0.lua:174
 GetName = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:279
 defaultModuleState = true
 Disable = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:314
 IterateModules = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:437
 name = "ElvUI_KlixUI_TradeTabs"
 Initialize = <function> defined @ElvUI_KlixUI\modules\professions\tabs.lua:125
 IsEnabled = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:451
 orderedModules = <table> {
 }
 UnregisterEvent = <function> defined @LibSharedMedia-3.0\CallbackHandler-1.0\CallbackHandler-1.0.lua:153
 DisableModule = <function> defined @Masque\Libs\AceAddon-3.0\AceAddon-3.0.lua:350
}
i = 1
parent = TradeSkillFrame {
 0 = <userdata>
 TitleText = TradeSkillFrameTitleText {
 }
 portrait = TradeSkillFramePortrait {
 }
 DetailsInset = <unnamed> {
 }
 frameToMove = TradeSkillFrame {
 }
 styling = TradeSkillFrame {
 }
 DetailsFrame = <unnamed> {
 }
 SetPortraitShown = <function> defined @SharedXML\PortraitFrame.lua:52
 gradient = TradeSkillFrameOverlay {
 }
 bg2 = <unnamed> {
 }
 ClearSlotFilter = <function> defined @Blizzard_TradeSkillUI\Blizzard_TradeSkillUI.lua:190
 squares = TradeSkillFrameOverlay {
 }
 TabardBackground = <unnamed> {
 }
 SetPortraitTexCoord = <function> defined @SharedXML\PortraitFrame.lua:48
 bg1 = <unnamed> {
 }
 SetPortraitTextureRaw = <function> defined @SharedXML\PortraitFrame.lua:40
 backdrop = <unnamed> {
 }
 OnShow = <function> defined @Blizzard_TradeSkillUI\Blizzard_TradeSkillUI.lua:77
 OnLinkToButtonClicked = <function> defined @Blizzard_TradeSkillUI\Blizzard_TradeSkillUI.lua:372
 TitleBg = <unnamed> {
 }
 SelectRecipe = <function> defined @Blizzard_TradeSkillUI\Blizzard_TradeSkillUI.lua:152
 RankFrame = <unnamed> {
 }
 SetTitleMaxLinesAndHeight = <function> defined @SharedXML\PortraitFrame.lua:68
 SetTitleColor = <function