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  • #474

Closed
Open
Created Jun 19, 2022 by silverhawke@silverhawke

VuhDo Lua error upon logging in

Describe your environment:

  • VuhDo v3.136-tbcc
  • WoW US/Oceanic Server
  • enUS client language

Summary of the issue:

Just created a new layout that includes the following:

  • Panel 1
    • Groups 1-8
    • Special group, pets
  • Panel 2
    • Special group, self
  • Panel 3 (with "Target" extra panels enabled)
    • Special group, target
    • Special group, focus

Now, upon logging in with no groups (solo), Lua errors crop up from VuhDo, according to BugSack.

Expected behaviour:

There should be no Lua errors.

Actual behaviour:

The following errors were captured by BugSack:

50x VuhDo\VuhDoGuiToolbox.lua:117: attempt to perform arithmetic on a nil value
[string "@VuhDo\VuhDoGuiToolbox.lua"]:117: in function `?'
[string "@VuhDo\VuhDoGuiToolbox.lua"]:126: in function `VUHDO_getAnchorCoords'
[string "@VuhDo\VuhDoPanelRedraw.lua"]:937: in function <VuhDo\VuhDoPanelRedraw.lua:918>
[string "@VuhDo\VuhDoPanelRedraw.lua"]:1043: in function <VuhDo\VuhDoPanelRedraw.lua:1028>
[string "@VuhDo\VuhDoPanelRedraw.lua"]:1069: in function <VuhDo\VuhDoPanelRedraw.lua:1060>
[string "@VuhDo\VuhDoPanelRedraw.lua"]:1107: in function `VUHDO_reloadUI'
[string "*:OnHide"]:4: in function <[string "*:OnHide"]:1>
[string "=[C]"]: in function `Hide'
[string "@VuhDo\VuhDoActionEventHandler.lua"]:346: in function `VUHDO_startMoving'
[string "*:OnMouseDown"]:1: in function <[string "*:OnMouseDown"]:1>

Locals:
aPanel = Vd4 {
 0 = <userdata>
 isMoving = false
 backdropBorderColorAlpha = 0.460000
 OnBackdropLoaded = <function> defined @SharedXML\Backdrop.lua:144
 Center = <unnamed> {
 }
 backdropBorderColor = <table> {
 }
 GetBackdropColor = <function> defined @SharedXML\Backdrop.lua:382
 SetupTextureCoordinates = <function> defined @SharedXML\Backdrop.lua:206
 OnBackdropSizeChanged = <function> defined @SharedXML\Backdrop.lua:174
 HasBackdropInfo = <function> defined @SharedXML\Backdrop.lua:270
 SetBackdropBorderColor = <function> defined @SharedXML\Backdrop.lua:414
 RightEdge = <unnamed> {
 }
 backdropInfo = <table> {
 }
 BottomEdge = <unnamed> {
 }
 GetEdgeSize = <function> defined @SharedXML\Backdrop.lua:180
 BottomLeftCorner = <unnamed> {
 }
 BottomRightCorner = <unnamed> {
 }
 TopEdge = <unnamed> {
 }
 ApplyBackdrop = <function> defined @SharedXML\Backdrop.lua:286
 SetBackdrop = <function> defined @SharedXML\Backdrop.lua:321
 ClearBackdrop = <function> defined @SharedXML\Backdrop.lua:274
 TopRightCorner = <unnamed> {
 }
 GetBackdropBorderColor = <function> defined @SharedXML\Backdrop.lua:401
 GetBackdrop = <function> defined @SharedXML\Backdrop.lua:339
 TopLeftCorner = <unnamed> {
 }
 SetupPieceVisuals = <function> defined @SharedXML\Backdrop.lua:238
 SetBackdropColor = <function> defined @SharedXML\Backdrop.lua:391
 LeftEdge = <unnamed> {
 }
 SetBorderBlendMode = <function> defined @SharedXML\Backdrop.lua:258
}
(*temporary) = nil
(*temporary) = nil
(*temporary) = Vd4 {
 0 = <userdata>
 isMoving = false
 backdropBorderColorAlpha = 0.460000
 OnBackdropLoaded = <function> defined @SharedXML\Backdrop.lua:144
 Center = <unnamed> {
 }
 backdropBorderColor = <table> {
 }
 GetBackdropColor = <function> defined @SharedXML\Backdrop.lua:382
 SetupTextureCoordinates = <function> defined @SharedXML\Backdrop.lua:206
 OnBackdropSizeChanged = <function> defined @SharedXML\Backdrop.lua:174
 HasBackdropInfo = <function> defined @SharedXML\Backdrop.lua:270
 SetBackdropBorderColor = <function> defined @SharedXML\Backdrop.lua:414
 RightEdge = <unnamed> {
 }
 backdropInfo = <table> {
 }
 BottomEdge = <unnamed> {
 }
 GetEdgeSize = <function> defined @SharedXML\Backdrop.lua:180
 BottomLeftCorner = <unnamed> {
 }
 BottomRightCorner = <unnamed> {
 }
 TopEdge = <unnamed> {
 }
 ApplyBackdrop = <function> defined @SharedXML\Backdrop.lua:286
 SetBackdrop = <function> defined @SharedXML\Backdrop.lua:321
 ClearBackdrop = <function> defined @SharedXML\Backdrop.lua:274
 TopRightCorner = <unnamed> {
 }
 GetBackdropBorderColor = <function> defined @SharedXML\Backdrop.lua:401
 GetBackdrop = <function> defined @SharedXML\Backdrop.lua:339
 TopLeftCorner = <unnamed> {
 }
 SetupPieceVisuals = <function> defined @SharedXML\Backdrop.lua:238
 SetBackdropColor = <function> defined @SharedXML\Backdrop.lua:391
 LeftEdge = <unnamed> {
 }
 SetBorderBlendMode = <function> defined @SharedXML\Backdrop.lua:258
}
(*temporary) = "attempt to perform arithmetic on a nil value"

Seems like sometimes, a panel's :GetTop(), :GetBottom() methods may return nil.

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