I'm often getting an error which I don't know how it is triggered. I don't have any buff-addon and since the buff and the durability frames are somehow tighted to the minimap I thought maybe it helps if I post it here:

163x Action[SetPoint] failed because[SetPoint would result in anchor family connection]: attempted from: DurabilityFrame:SetPoint. [string "=[C]"]: ? [string "=[C]"]: in function SetPoint'
[string "@Interface_TBC\FrameXML\UIParent.lua"]:2514: in function UIParentManageFramePositions' [string "@Interface_TBC\FrameXML\UIParent.lua"]:1827: in function <Interface_TBC\FrameXML\UIParent.lua:1814> [string "=[C]"]: in function SetAttribute'
[string "@Interface_TBC\FrameXML\UIParent.lua"]:2546: in function <Interface_TBC\FrameXML\UIParent.lua:2544>
[string "=[C]"]: in function UIParent_ManageFramePositions' [string "@FrameXML\BuffFrame.lua"]:331: in function BuffFrame_UpdateAllBuffAnchors'
[string "@FrameXML\BuffFrame.lua"]:103: in function `BuffFrame_Update'
[string "@FrameXML\BuffFrame.lua"]:48: in function <FrameXML\BuffFrame.lua:44>

Locals:
(*temporary) = DurabilityFrame {
Show = defined =[C]:-1
SetPoint = defined =[C]:-1
0 =
}
(*temporary) = "TOPRIGHT"
(*temporary) = "MinimapCluster"
(*temporary) = "BOTTOMRIGHT"
(*temporary) = -41.000065
(*temporary) = 0`