Unable to open project… cannot be opened because the project file cannot be parsed

Question

I have been working for a while to create an iPhone app. Today when my battery was low, I was working and constantly saving my source files then the power went out...

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Answer 1

And once you get things working again you should look into using something like subversion or mercurial for backup and revision control. Remember that he electrons don't always go where they are supposed to, backup early and often!