ZBrushCentral

Don't know how to get detail back into sculpt

So I was working on a sculpt earlier today and my zbrush crashed. When I checked my most recent save it seemed the sculpt had reverted back to an older instance of itself hours back. I checked all of the quicksaves and as you can see from the image below the the thumbnail does not match what the file opens. Is there something I’m missing here?

Attachments

ZbrushDetailsGone.jpg

were you using layers?