If you ever get a submission report like this (above) it can be quite disconcerting. It's realisitic to think that you may have done something wrong or missed something that caused this.
If you get this it can also be hard to know what to do next. The dev center will provide no more information and there isn't a lot in the forums either.
If this happens to you though, fear not. If you've run the xap through the store test kit and verified capabilities and requirements there could be another reason for this status.
Simply try uploading the XAP again. You may get this if there was a problem (corruption?) during the upload process.
It worked for me :)
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