Actionscript error in SuperTabNavigator

What steps will reproduce the problem?
1. Tab to, or use the mouse to select the PopUpButton.
2. Press the Space bar

What is the expected output? What do you see instead?

ArgumentError: Undefined state 'up'.
    at mx.core::UIComponent/getState()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:7065
]
    at mx.core::UIComponent/findCommonBaseState()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:7085
]
    at mx.core::UIComponent/commitCurrentState()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:6984
]
    at mx.core::UIComponent/setCurrentState()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:6948
]
    at mx.core::UIComponent/set currentState()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:4260
]
    at 
mx.controls::Button/http://www.adobe.com/2006/flex/mx/internal::viewSkinFor
Phase()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\controls\Button.as:1794]
    at 
mx.controls::PopUpButton/http://www.adobe.com/2006/flex/mx/internal::viewSk
in()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\controls\PopUpButton.as:
596]
    at mx.controls::Button/updateDisplayList()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\controls\Button.as:1587]
    at mx.core::UIComponent/validateDisplayList()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:6214
]
    at mx.managers::LayoutManager/validateDisplayList()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\LayoutManager.a
s:602]
    at mx.managers::LayoutManager/doPhasedInstantiation()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\managers\LayoutManager.a
s:675]
    at Function/http://adobe.com/AS3/2006/builtin::apply()
    at mx.core::UIComponent/callLaterDispatcher2()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:8460
]
    at mx.core::UIComponent/callLaterDispatcher()
[E:\dev\3.0.x\frameworks\projects\framework\src\mx\core\UIComponent.as:8403
]

Please use labels and text to provide additional information.
Original issue reported on code.google.com by r.mol...@gmail.com on 23 Apr 2009 at 2:07
wiln / flexlib

Actionscript error in SuperTabNavigator #217
