Anyway, more of interest to Brad and others here: nobody seems to have listened to Sid above, but I've got the same bug: at one point after making a quick adjustment in the editor, it blanked out all the information for the settler. I think this is not so much a problem with the settler as with the first item in whatever category, because the same thing happened with conscripts in the combat experience category and, most annoyingly, bronze working in the civilization advances category. I could fix conscripts and settlers but not bronze working, so now I've had to go back to my backed-up .bic and do all the edits over again.
For those who have seen this bug and don't want to wait for a new iteration of the editor, it is avoidable. Just don't ever leave the editing screen, or the even category page, while the first item is visible. I.e. if you're editing settlers and want to edit governments, first click on spearmen or something and then go to the governments page. Then if you want to leave the editor, make sure some government other than anarchy is visible before you hit the "OK" button.
Hope that's clear.
For those who have seen this bug and don't want to wait for a new iteration of the editor, it is avoidable. Just don't ever leave the editing screen, or the even category page, while the first item is visible. I.e. if you're editing settlers and want to edit governments, first click on spearmen or something and then go to the governments page. Then if you want to leave the editor, make sure some government other than anarchy is visible before you hit the "OK" button.
Hope that's clear.