Error;

[Espigah]

Step-By-Step
Iframe.swf exported by FB->Loaded by Flash->release build

ReferenceError: Error #1069: Property mx.styles:IAdvancedStyleClient::hasCSSState not found on FlashIFrame and there is no default value.
at mx.styles::StyleProtoChain$/matchStyleDeclarations()
at mx.styles::StyleProtoChain$/getMatchingStyleDeclarations()
at mx.styles::StyleProtoChain$/initProtoChain()
at mx.core::UIComponent/http://www.adobe.com/2006/flex/mx/internal::initProtoChain()
at mx.core::UIComponent/regenerateStyleCache()
at mx.core::Container/regenerateStyleCache()
at mx.managers.systemClasses::ChildManager/addingChild()
at mx.managers.systemClasses::ChildManager/initializeTopLevelWindow()
at mx.managers::SystemManager/initializeTopLevelWindow()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:3063]
at mx.managers::SystemManager/http://www.adobe.com/2006/flex/mx/internal::kickOff()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:2849]
at mx.managers::SystemManager/http://www.adobe.com/2006/flex/mx/internal::preloader_completeHandler()[E:\dev\hero_private\frameworks\projects\framework\src\mx\managers\SystemManager.as:2729]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.preloaders::Preloader/timerHandler()[E:\dev\hero_private\frameworks\projects\framework\src\mx\preloaders\Preloader.as:542]
at flash.utils::Timer/_timerDispatch()
at flash.utils::Timer/tick()