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There's not much you can do when a save game has been corrupted. Just this happen everytime you finish the match?
Have you patched to 8.0.1?
If not, try the patch.
If you have, and it still happens, post in the bugs forum and let the SI team know what's happening in as much detail as possible.
In the future you may want to try the rolling autosave feature which creates 3-10 seperate files and keeps your saves rotating through them. If one corrupts you then have a bunch of backups from previous times.
I think you'll maybe have to start again. In future try the rolling save option this creates several backups so you can go back a bit if your game becomes corrupt.