Somewhere in one of your templates/layouts you are referring to
Which apparently doesn't exist
Since (apache?) can't find the file in your public directory, it passes
the http request on to rails, which then generates the error.
I would go digging around in your layouts' head sections, as you may
have a include_tag in there somewhere causing this kind of behaviour.
(a quick guess: it could be that case-sensitivity is your devil in the
details: 'Storage_version6.swf' is expected, but the actual filename is