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i have a puzzle game where i load files from an xml file on the web and make a puzzle out of them. It works fine on my computer but when they dont load when im trying it out on the internet

I did a publish preview and it worked fine as well.

NOTE: i try loading it to swfup.com and i get an error.

???

WHat could the problem be

Hers a link:
http://enix591.deviantart.com/art/New-Puzzle-Game-Beta-82724517