Partial save loss during Episode 2, no longer lists as downloaded

Earlier today, I had to quit during the cutscene at the beginning of 2-5. When I tried reloading, not only was my last save displayed as having occurred during 2-3, but the entirety of Episode 2 was no longer detected as having been downloaded. I tried resetting my iPhone (4S) repeatedly; it didn't work.

Is there any fix for this?
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