Error got when enabling Buffs for the Player frame

Message: ...terface\AddOns\ShadowedUnitFrames\modules\layout.lua:338: attempt to call method 'SetHorizTile' (a nil value)
Time: 04/20/10 22:56:26
Count: 1
Stack: ...terface\AddOns\ShadowedUnitFrames\modules\layout.lua:338: in function `SetupBars'
...terface\AddOns\ShadowedUnitFrames\modules\layout.lua:112: in function `Load'
...nterface\AddOns\ShadowedUnitFrames\modules\units.lua:223: in function `SetVisibility'
...terface\AddOns\ShadowedUnitFrames\modules\layout.lua:94: in function `Reload'
Interface\AddOns\ShadowedUF_Options\config.lua:202: in function <Interface\AddOns\ShadowedUF_Options\config.lua:196>
Interface\AddOns\ShadowedUF_Options\config.lua:241: in function <Interface\AddOns\ShadowedUF_Options\config.lua:222>
(tail call): ?
[C]: ?
[string "safecall Dispatcher[2]"]:9: in function <[string "safecall Dispatcher[2]"]:5>
(tail call): ?
...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:796: in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:611>
(tail call): ?
[C]: ?
[string "safecall Dispatcher[3]"]:9: in function <[string "safecall Dispatcher[3]"]:5>
(tail call): ?
...e\AddOns\ButtonFacade\Libs\AceGUI-3.0\AceGUI-3.0.lua:326: in function `Fire'
...wn\Libs\AceGUI-3.0\widgets\AceGUIWidget-CheckBox.lua:69: in function <...wn\Libs\AceGUI-3.0\widgets\AceGUIWidget-CheckBox.lua:58>
 
Locals: self = <table> {
 SetupBars = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:329
 CheckMedia = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:48
 SetupFrame = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:285
 LoadSML = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:136
 ReverseDirection = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:192
 ToggleVisibility = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:68
 GetRelative = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:180
 mediaPath = <table> {
 }
 PositionWidgets = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:433
 SetupText = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:377
 MediaRegistered = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:58
 GetRelativeAnchor = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:197
 SetupFontString = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:361
 GetAuraGrowth = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:188
 Reload = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:88
 SetBarVisibility = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:76
 GetJustify = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:163
 GetPoint = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:176
 MediaForced = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:10
 GetColumnGrowth = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:184
 GetSplitRelativeAnchor = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:219
 Load = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:104
 AnchorFrame = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\layout.lua:235
}
frame = SUFUnitplayer {
 vehicleUnit = "vehicle"
 auras = <table> {
 }
 indicators = <unnamed> {
 }
 highFrame = <unnamed> {
 }
 UnregisterAll = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\units.lua:91
 unitRealType = "player"
 isDead = false
 unit = "player"
 0 = <userdata>
 portrait = <unnamed> {
 }
 registeredEvents = <table> {
 }
 unitInitialized = true
 hasStateWatch = false
 RegisterUnitEvent = <function> defined @Interface\AddOns\ShadowedUnitFrames\modules\units.lua:58
 powerBar = <unnamed> {
 }
 Regi