Prat 3 Error

[Atwood]

Changing the Transperency of the Chat Window:

Message: ...e\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:180 Attempting to rehook already active hook SetChatWindowSavedPosition.
Time: 05/11/15 13:58:02
Count: 1
Stack: [C]: ?
...e\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:180 in function <...e\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:118
...e\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:322 in function `RawHook'
Interface\AddOns\Prat-3.0\modules\ChatFrames.lua:506 in function `OnValueChanged'
Interface\AddOns\Prat-3.0\addon\modules.lua:195 in function <Interface\AddOns\Prat-3.0\addon\modules.lua:193
(tail call): ?
[C]: ?
[string "safecall Dispatcher[3]"]:9: in function <[string "safecall Dispatcher[3]"]:5>
(tail call): ?
...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:794 in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:614
...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:851 in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:839
(tail call): ?
[C]: ?
[string "safecall Dispatcher[3]"]:9: in function <[string "safecall Dispatcher[3]"]:5>
(tail call): ?
...terface\AddOns\Masque\Libs\AceGUI-3.0\AceGUI-3.0.lua:314 in function `Fire'
...sque\Libs\AceGUI-3.0\widgets\AceGUIWidget-Slider.lua:70 in function <...sque\Libs\AceGUI-3.0\widgets\AceGUIWidget-Slider.lua:60

Locals: <none>

Second:

Message: ...e\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:180 Attempting to rehook already active hook SetChatWindowSavedPosition.
Time: 05/11/15 13:58:03
Count: 1
Stack: [C]: ?
...e\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:180 in function <...e\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:118
...e\AddOns\Bartender4\libs\AceHook-3.0\AceHook-3.0.lua:322 in function `RawHook'
Interface\AddOns\Prat-3.0\modules\ChatFrames.lua:506 in function `OnValueChanged'
Interface\AddOns\Prat-3.0\addon\modules.lua:195 in function <Interface\AddOns\Prat-3.0\addon\modules.lua:193
(tail call): ?
[C]: ?
[string "safecall Dispatcher[3]"]:9: in function <[string "safecall Dispatcher[3]"]:5>
(tail call): ?
...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:794 in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:614
...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:851 in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:839
(tail call): ?
[C]: ?
[string "safecall Dispatcher[3]"]:9: in function <[string "safecall Dispatcher[3]"]:5>
(tail call): ?
...terface\AddOns\Masque\Libs\AceGUI-3.0\AceGUI-3.0.lua:314 in function `Fire'
...sque\Libs\AceGUI-3.0\widgets\AceGUIWidget-Slider.lua:80 in function <...sque\Libs\AceGUI-3.0\widgets\AceGUIWidget-Slider.lua:78

Locals: <none>

How can i fix this?