The latest patch doesn't fix a broken a game. It prevents it from happening in the first place. We'd like to deploy the latest version to all users but due to half our team being out, it's been a challenging week for us and we're not going to be able to for another few days.
Your game's resource listing is entirely hosed in a way that I find kind of hard to believe and is not recoverable because there's no more data in that file. Out of curiosity, did you edit [game]/resources/data.xml in any way?
It ends simply as:
</sprite>
</pack>
Which makes no sense to me and isn't consistent with every case we've seen to date. What we've always seen to date is that the file gets partially written out, so the first X lines are written out. I have never seen, nor do I understand how just the last couple would be written out.
Your logs indicate that it was trying to save, but then it gets cut off at the end but does say that it finished saving. Were you trying to quit out and used the save feature there?
Your last chance to grab the listing in any form is to peek at sandbox/temp/resources/data.xml. If it's there, it's there. If not, you'll need to start over. Copy the game folder somewhere else and use that as a basis for re-importing resources. And make sure you've picked up the latest patch. It auto corrects and backs up the critical files now. Not a true fix but it will, at worst, protect your data from this scenario.