The 'bad' data source location is often an important clue as to where to start looking for where your data might have moved. While it's super convenient to click that little [!] it would be even more convenient if that Repair Data Source box included the url or file path of where it's currently pointing. The current alternative of course is R click>Properties>Source, and go from there. But this would save a step and integrate with a shortcut already present. Here are a few possible locations, I imagine they could be hyperlinks, too: