### this error is coming up since patch 9.1.5 of warcraft went live.

Message: ...ce\AddOns\Decursive\Libs\LibQTip-1.0\LibQTip-1.0-48.lua:543: attempt to call method 'GetBackdrop' (a nil value)
Time: Wed Nov 3 09:21:02 2021
Count: 6
Stack: ...ce\AddOns\Decursive\Libs\LibQTip-1.0\LibQTip-1.0-48.lua:543: attempt to call method 'GetBackdrop' (a nil value)

Locals:

### and this is the 2nd error message.

Message: ...ce\AddOns\Decursive\Libs\LibQTip-1.0\LibQTip-1.0-48.lua:543: attempt to call method 'GetBackdrop' (a nil value)
Time: Wed Nov 3 09:28:37 2021
Count: 1
Stack: ...ce\AddOns\Decursive\Libs\LibQTip-1.0\LibQTip-1.0-48.lua:543: attempt to call method 'GetBackdrop' (a nil value)
[string "@interface\AddOns\Decursive\Dcr_DebuffsFrame.lua"]:886: in function `OnEnter'
[string ":OnEnter"]:1: in function <[string ":OnEnter"]:1>

Locals: self =

{
UpdateMUFUnit = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:700
OnEnter = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:748
MaxUnit = 80
MFUsableNumber = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:233
SavePos = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:645
OnPostClick = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:1018
UnitsDebuffedInRange = 0
Create = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:207
Show = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:162
Delayed_MFsDisplay_Update = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:320
RegisterMUFcolors = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:172
OnCornerEnter = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:902
metatable = {
}
Place = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:511
GetMUFAnchor = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:278
Frame = DcrMUFsContainer {
}
GetFarthestVerticalMUF = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:177
OnAttributeChanged = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:1839
OnPreClick = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:935
new = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:96
Delayed_Force_FullUpdate = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:437
SetScale = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:689
Number = 1
OnLoad = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:929
DraggingHandle = false
GetHelperAnchor = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:299
ResetAllPositions = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:238
ToString = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:202
ExistingPerUNIT = {
}
OnCornerLeave = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:899
OnLeave = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:891
prototype = {
}
MFsDisplay_Update = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:327
UnitToMUF = {
}
Force_FullUpdate = defined @interface\AddOns\Decursive\Dcr_DebuffsFrame.lua:443
UnitShown = 1
}
frame = {
0 =
Object = {
}
}
MF = {
LastAttribUpdate = 944654.670000
Debuff1Prio = false
UpdateCountDown = 1
OuterTexture3 = {
}
UnitClass = "MAGE"
UpdateCD = 0
PrevDebuff1Prio = false
usedAttributes = {
}
CurrUnit = "player"
NormalAlpha = 0.350000
Frame = {
}
FirstDebuffType = false
FrameNum = 1
Debuffs = {
}
Color = {
}
CenterText = false
CenterFontString = {
}
CooldownFrame = {
}
OuterTexture2 = {
}
ID = 1
UnitStatus = 8
BorderAlpha = 0.200000
RaidIconTexture = {
}
PrevRaidTargetIndex = false
OuterTexture1 = {
}
Texture = {
}
InnerTexture = {
}
OuterTexture4 = {
}
Parent = DcrMUFsContainer {
}
RaidTargetIcon = false
IsCharmed = false
UnitGUID = "Player-3726-09D928D5"
ToPlace = 1
UnitName = false
PrevCenterText = false
Shown = true
}
Status = nil
Unit = "player"
TooltipText = ""
GUIDw