Flash Firebug: No SWF files with AS3 detected on this page. You could try reloading the page.
Flash Firebug is a great tool for debugging Actionscript 3 SWF files, similar to the way regular Firebug helps debug Javascript and CSS when using Firefox.
But the current version of Flash Firebug, 3.0.3, has a bug that causes it to display this error:
Continue reading
No SWF files with AS3 detected on this page. You could try reloading the page.