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I'm not sure if this is a dupe or not (if it is there were a few user's accounts deleted at once), but it looks like some of the rep associated with a few upvotes to a single answer were not added:
The one answer to the linked question above said that the user who upvoted was deleted, but really 3 different people within the last hour?
This is because you've reached the maximum reputation gained from upvotes in one day. You can only get 200 rep from upvotes before it cuts you off. It appears you are at 213, so the only rep you can get now are from accepts/bounties. In about an hour or so a new day will roll over, and you can earn rep from upvotes again. This is status-bydesign
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