每次鼠标移动到装备和技能上面，就会弹出个LUA错误提示
Message: ...ingBuster\libs\LibStatLogic-1.1\LibStatLogic-1.1.lua:11842: attempt to perform arithmetic on field '?' (a nil value)
Time: 12/11/09 22:11:04
Count: 9
Stack: [string "Interface\FrameXML\BasicControls.xml:<Scrip..."]:18: in function <[string "Interface\FrameXML\BasicControls.xml:<Scrip..."]:4>
(tail call): ?
[C]: ?
...ingBuster\libs\LibStatLogic-1.1\LibStatLogic-1.1.lua:11842: in function `GetNormalManaRegenFromSpi'
Interface\AddOns\RatingBuster\RatingBuster.lua:3381: in function `func'
Interface\AddOns\RatingBuster\RatingBuster.lua:4472: in function `StatSummary'
Interface\AddOns\RatingBuster\RatingBuster.lua:2796: in function `handler'
...ingBuster\libs\LibTipHooker-1.1\LibTipHooker-1.1.lua:168: in function <...ingBuster\libs\LibTipHooker-1.1\LibTipHooker-1.1.lua:163>
[C]: in function `SetBagItem'
Interface\FrameXML\ContainerFrame.lua:743: in function `ContainerFrameItemButton_OnEnter'
Interface\AddOns\Bagnon\components\item.lua:215: in function <Interface\AddOns\Bagnon\components\item.lua:197>
Locals:
就这个东西，什么意思啊，请高手指导下，谢谢