Unable to remove myself from a group/raid

[MarsPegasus]

After my instance was over, I (in a 5-man) tried to right click my unit frame to remove myself from the party, and this was the error message I received:




Message: Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:346: attempt to index global 'this' (a nil value)
Time: 10/19/10 18:04:12
Count: 5
Stack: Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:346: in function `handler'
Interface\FrameXML\SecureTemplates.lua:540: in function `SecureActionButton_OnClick'
Interface\FrameXML\SecureTemplates.lua:580: in function <Interface\FrameXML\SecureTemplates.lua:572>

Locals: popup = nUI_PartyUnit_Target_Popup {
0 = <userdata>
onUnitPopupUpdate = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:353
initialize = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:353
displayMode = "MENU"
class = nUI_PartyUnit_Target {
}
texture = nUI_PartyUnit_Target_PopupTexture {
}
}
anchor = nUI_PartyUnit_Target {
0 = <userdata>
applyFrameFader = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:550
parent = nUI_UnitPanel_Party {
}
setUnitID = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:761
newUnitInfo = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:451
applySkin = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:711
configText = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:384
skin = <table> {
}
anchor = <table> {
}
background = nUI_PartyUnit_Target_Background {
}
applyOptions = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:620
options = <table> {
}
skinName = "nUI_PartyUnit_TargetSkin"
Faders = <table> {
}
popup = nUI_PartyUnit_Target_Popup {
}
cachedSetUnitID = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:633
height = 86.399993562698
Labels = <table> {
}
changeScale = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:533
applyAnchor = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:579
active = true
scale = 1
unit = "target"
clickable = false
anchor_pt = "TOPLEFT"
setVisibility = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:746
click_cast = true
alpah = 1
xOfs = 2.8
relative_pt = "TOPRIGHT"
width = 77.6
yOfs = 0
unit_info = <table> {
}
relative_to = "nUI_PartyUnit_Focus"
applyScale = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:499
Elements = <table> {
}
refreshSkin = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:734
setEnabled = <function> defined @Interface\AddOns\nUI\Units\nUI_Unit.lua:466
enabled = true
}
(*temporary) = nil
(*temporary) = "target"
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to index global 'this' (a nil value)"
frame = nUI_PartyUnit_Target_Feedback {
0 = <userdata>
relative_to = "$parent"
parent = nUI_PartyUnit_Target {
}
setUnitID = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:633
newUnitInfo = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFeedback.lua:898
vInset = 0
Super = <table> {
}
configText = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:384
anchor = <table> {
}
background = nUI_PartyUnit_Target_Feedback_Background {
}
enabled = true
options = <table> {
}
text = nUI_PartyUnit_Target_FeedbackText {
}
height = 86.399993562698
Labels = <table> {
}
hScale = 0.4
applyAnchor = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:539
active = true
scale = 1
unit = "target"
clickable = true
texture = nUI_PartyUnit_Target_FeedbackTexture {
}
unit_info = <table> {
}
click_cast = true
yOfs = 0
xOfs = 0
relative_pt = "TOPLEFT"
width = 77.6
highlight = nUI_PartyUnit_Target_FeedbackHighlight {
}
hInset = 0
menu = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFrame.lua:337
applyScale = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFeedback.lua:945
anchor_pt = "TOPLEFT"
vScale = 0.38399997138977
setEnabled = <function> defined @Interface\AddOns\nUI\Units\nUI_UnitFeedback.lua:918
applyOptions = <function> defined @Interface\AddOns\nUI\Unit