> What *should* happen in a case like yours: > > 1. you hit upload > 2. upload fails, JOSM complains > 3. if you try to exit JOSM, it should warn about unsaved > changes > 4. you must now do a download and resolve any conflicts > 5. you hit upload again > 6. it works 3. It didn't warn about unsaved changes on exit, or I wouldn't have done. Ed