attempt to call method 'SetBackdrop' (a nil value)

Question

attempt to call method 'SetBackdrop' (a nil value)

Beet4 opened this issue 2 years ago · 3 comments

Starting today I get the following LUA Error upon login in.

11x ...lusLoot/libs/LibUIDropDownMenu/LibUIDropDownMenu.lua:252: attempt to call method 'SetBackdrop' (a nil value)
[string "@MythicPlusLoot/libs/LibUIDropDownMenu/LibUIDropDownMenu.lua"]:252: in function `creatre_UIDropDownList'
[string "@MythicPlusLoot/libs/LibUIDropDownMenu/LibUIDropDownMenu.lua"]:391: in main chunk

Locals:
name = "L_DropDownList1"
parent = nil
f = L_DropDownList1 {
 0 = <userdata>
 Button1 = L_DropDownList1Button1 {
 }
 MenuBackdrop = L_DropDownList1MenuBackdrop {
 }
 Backdrop = L_DropDownList1Backdrop {
 }
 Border = L_DropDownList1Border {
 }
}
fbd = L_DropDownList1Border {
 0 = <userdata>
 PixelSnapDisabled = true
 OnBackdropLoaded = <function> defined @SharedXML/Backdrop.lua:152
 Center = Texture {
 }
 GetBackdropColor = <function> defined @SharedXML/Backdrop.lua:390
 SetupTextureCoordinates = <function> defined @SharedXML/Backdrop.lua:214
 OnBackdropSizeChanged = <function> defined @SharedXML/Backdrop.lua:182
 HasBackdropInfo = <function> defined @SharedXML/Backdrop.lua:278
 SetBackdropBorderColor = <function> defined @SharedXML/Backdrop.lua:422
 RightEdge = Texture {
 }
 backdropInfo = <table> {
 }
 BottomEdge = Texture {
 }
 GetEdgeSize = <function> defined @SharedXML/Backdrop.lua:188
 BottomLeftCorner = Texture {
 }
 BottomRightCorner = Texture {
 }
 TopEdge = Texture {
 }
 ApplyBackdrop = <function> defined @SharedXML/Backdrop.lua:294
 SetBackdrop = <function> defined @SharedXML/Backdrop.lua:329
 ClearBackdrop = <function> defined @SharedXML/Backdrop.lua:282
 TopRightCorner = Texture {
 }
 GetBackdropBorderColor = <function> defined @SharedXML/Backdrop.lua:409
 GetBackdrop = <function> defined @SharedXML/Backdrop.lua:347
 TopLeftCorner = Texture {
 }
 SetupPieceVisuals = <function> defined @SharedXML/Backdrop.lua:246
 SetBackdropColor = <function> defined @SharedXML/Backdrop.lua:399
 LeftEdge = Texture {
 }
 SetBorderBlendMode = <function> defined @SharedXML/Backdrop.lua:266
}
fmb = L_DropDownList1MenuBackdrop {
 SetBorderBlendMode = <function> defined @SharedXML/SharedTooltipTemplates.lua:203
 NineSlice = Frame {
 }
 TooltipBackdropOnLoad = <function> defined @SharedXML/SharedTooltipTemplates.lua:172
 GetBackdropColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:191
 backdropInfo = <table> {
 }
 0 = <userdata>
 GetBackdropBorderColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:199
 SetBackdropColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:187
 layoutType = "TooltipDefaultLayout"
 SetBackdropBorderColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:195
}
(*temporary) = nil
(*temporary) = L_DropDownList1MenuBackdrop {
 SetBorderBlendMode = <function> defined @SharedXML/SharedTooltipTemplates.lua:203
 NineSlice = Frame {
 }
 TooltipBackdropOnLoad = <function> defined @SharedXML/SharedTooltipTemplates.lua:172
 GetBackdropColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:191
 backdropInfo = <table> {
 }
 0 = <userdata>
 GetBackdropBorderColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:199
 SetBackdropColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:187
 layoutType = "TooltipDefaultLayout"
 SetBackdropBorderColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:195
}
(*temporary) = <table> {
 bgFile = "Interface\Tooltips\UI-Tooltip-Background"
 tileSize = 16
 edgeFile = "Interface\Tooltips\UI-Tooltip-Border"
 tile = true
 edgeSize = 16
 insets = <table> {
 }
}
(*temporary) = "attempt to call method 'SetBackdrop' (a nil value)"
_G = <table> {
 UpdateOnBarHighlightMarksBySpell = <function> defined =[C]:-1
 ERR_OUT_OF_CHI = "Not enough chi"
 DH_HAVOC_CORE_ABILITY_2 = "Strong melee attack that consumes Fury. If it critical strikes, some Fury is refunded."
 MultiCastActionButton6Cooldown = MultiCastActionButton6Cooldown {
 }
 SettingsSliderOptionsMixin = <table> {
 }
 GetTrainerServiceTypeFilter = <function> defined =[C]:-1
 UNIT_NAMES_COMBATLOG_TOOLTIP = "Color unit names."
 HUD_EDIT_MODE_SETTING_ACTION_BAR_HIDE_BAR_ART = "Hide Bar Art"
 LE_GAME_ERR_CHAT_RAID_RESTRICTED_TRIAL = 774
 SPELL_FAILED_CUSTOM_ERROR_71 = "This partygoer wants to dance

herumph · Answer 1 · 2022-12-08T00:31:40.000Z

This was caused by WoW interface changes and should no longer be an issue.

Beet4 · Answer 2 · 2022-12-05T19:20:39.000Z

Seems SetBackdrop was replaced in latest LibUIDropDownMenu, manually downgrading the lib to v4.17.10000046801 (2022/11/29) works for now.

v4.18.10000046801 (2022/11/29)

Replace SetBackdrop with backdropInfo

Beet4 · Answer 3 · 2022-12-08T22:40:48.000Z

Still get the LUA error upon login in after updating to the new version.

17x ...lusLoot/libs/LibUIDropDownMenu/LibUIDropDownMenu.lua:252: attempt to call method 'SetBackdrop' (a nil value)
[string "@MythicPlusLoot/libs/LibUIDropDownMenu/LibUIDropDownMenu.lua"]:252: in function `creatre_UIDropDownList'
[string "@MythicPlusLoot/libs/LibUIDropDownMenu/LibUIDropDownMenu.lua"]:391: in main chunk

Locals:
name = "L_DropDownList1"
parent = nil
f = L_DropDownList1 {
 0 = <userdata>
 Button1 = L_DropDownList1Button1 {
 }
 MenuBackdrop = L_DropDownList1MenuBackdrop {
 }
 Backdrop = L_DropDownList1Backdrop {
 }
 Border = L_DropDownList1Border {
 }
}
fbd = L_DropDownList1Border {
 0 = <userdata>
 PixelSnapDisabled = true
 OnBackdropLoaded = <function> defined @SharedXML/Backdrop.lua:152
 Center = Texture {
 }
 GetBackdropColor = <function> defined @SharedXML/Backdrop.lua:390
 SetupTextureCoordinates = <function> defined @SharedXML/Backdrop.lua:214
 OnBackdropSizeChanged = <function> defined @SharedXML/Backdrop.lua:182
 HasBackdropInfo = <function> defined @SharedXML/Backdrop.lua:278
 SetBackdropBorderColor = <function> defined @SharedXML/Backdrop.lua:422
 RightEdge = Texture {
 }
 backdropInfo = <table> {
 }
 BottomEdge = Texture {
 }
 GetEdgeSize = <function> defined @SharedXML/Backdrop.lua:188
 BottomLeftCorner = Texture {
 }
 BottomRightCorner = Texture {
 }
 TopEdge = Texture {
 }
 ApplyBackdrop = <function> defined @SharedXML/Backdrop.lua:294
 SetBackdrop = <function> defined @SharedXML/Backdrop.lua:329
 ClearBackdrop = <function> defined @SharedXML/Backdrop.lua:282
 TopRightCorner = Texture {
 }
 GetBackdropBorderColor = <function> defined @SharedXML/Backdrop.lua:409
 GetBackdrop = <function> defined @SharedXML/Backdrop.lua:347
 TopLeftCorner = Texture {
 }
 SetupPieceVisuals = <function> defined @SharedXML/Backdrop.lua:246
 SetBackdropColor = <function> defined @SharedXML/Backdrop.lua:399
 LeftEdge = Texture {
 }
 SetBorderBlendMode = <function> defined @SharedXML/Backdrop.lua:266
}
fmb = L_DropDownList1MenuBackdrop {
 SetBorderBlendMode = <function> defined @SharedXML/SharedTooltipTemplates.lua:203
 NineSlice = Frame {
 }
 TooltipBackdropOnLoad = <function> defined @SharedXML/SharedTooltipTemplates.lua:172
 GetBackdropColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:191
 backdropInfo = <table> {
 }
 0 = <userdata>
 GetBackdropBorderColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:199
 SetBackdropColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:187
 layoutType = "TooltipDefaultLayout"
 SetBackdropBorderColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:195
}
(*temporary) = nil
(*temporary) = L_DropDownList1MenuBackdrop {
 SetBorderBlendMode = <function> defined @SharedXML/SharedTooltipTemplates.lua:203
 NineSlice = Frame {
 }
 TooltipBackdropOnLoad = <function> defined @SharedXML/SharedTooltipTemplates.lua:172
 GetBackdropColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:191
 backdropInfo = <table> {
 }
 0 = <userdata>
 GetBackdropBorderColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:199
 SetBackdropColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:187
 layoutType = "TooltipDefaultLayout"
 SetBackdropBorderColor = <function> defined @SharedXML/SharedTooltipTemplates.lua:195
}
(*temporary) = <table> {
 bgFile = "Interface\Tooltips\UI-Tooltip-Background"
 tileSize = 16
 edgeFile = "Interface\Tooltips\UI-Tooltip-Border"
 tile = true
 edgeSize = 16
 insets = <table> {
 }
}
(*temporary) = "attempt to call method 'SetBackdrop' (a nil value)"
_G = <table> {
 UpdateOnBarHighlightMarksBySpell = <function> defined =[C]:-1
 ERR_OUT_OF_CHI = "Not enough chi"
 DH_HAVOC_CORE_ABILITY_2 = "Strong melee attack that consumes Fury. If it critical strikes, some Fury is refunded."
 MultiCastActionButton6Cooldown = MultiCastActionButton6Cooldown {
 }
 SettingsSliderOptionsMixin = <table> {
 }
 GetTrainerServiceTypeFilter = <function> defined =[C]:-1
 UNIT_NAMES_COMBATLOG_TOOLTIP = "Color unit names."
 HUD_EDIT_MODE_SETTING_ACTION_BAR_HIDE_BAR_ART = "Hide Bar Art"
 LE_GAME_ERR_CHAT_RAID_RESTRICTED_TRIAL = 774
 SPELL_FAILED_CUSTOM_ERROR_71 = "This partygoer wants to dance

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v4.18.10000046801 (2022/11/29)