An application that had been open but idle for over 24 hours suddenly bombed out with a syntax error!
It was Family Tree Maker software, so not something that's doing a whole load of crunching in the background, while you get on with something else. Not dissimilar to just leaving a spreadsheet or Word document open.
It's not a big deal unless it becomes a regular occurrence and/or data is lost, but what would cause it to suddenly hit a syntax error after such a long time sitting doing nothing? I don't even have automatic web synchronisation enabled - which is an option. So it can't have hit a problem trying to sync. It somehow hit a syntax error while it was just idling, waiting for input? Doesn't seem to make sense.