When visiting a world in the 14w28b snapshot, then downgrading to 1.7.10 and visiting the same world again, every item from your inventory, chests and furnaces will be gone. The bug affects everything that is on the picture. Also, when it removes the items from a brewing stand, if one of those "items" happens to be a bottle, it removes the bottle but the brewing stand will still show that there is a bottle in there. And I'm not quite sure which version it affects, 1.7.10 or 14w28b
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galaxy_2alex
Downgrading is not, was never and will never be officially supported. You must deal with this error.
154th Duplicate of MC-45009
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migrated
Sorry, i made myself unclear, when i use another PROFILE, i didnt downgrade, i used ANOTHER profile!