Use the full, written out place name for counties, states, provinces, départements, etc. Examples: Rhode Island, not RI; New Brunswick, not NB; Hampshire, not Hants; Seine-et-Marne, not S-M. Abbreviations of country names is acceptable as long as the abbreviation is standard and is recognizable.
From the Help menu for "Location Fields".
You might say the Error Report does it's job.