While in Full Screen mode (in Flash Player), an error occurs
when entering a frame that contains a FLVPlayback component and a
button within a MovieClip. The error is thrown during the attempt
to "addEventListener" to the button. The error only occurs in Full
Screen mode though, and only if a FLVPlayback component is present.
To recreate the error, open this file in the latest Flash
Player (not plugin), and click the buttons: