I have a pretty long nest of statements and it's returning one particular value that probably shouldn't be found at all.
It looks like this but goes on for a long way:
IF "AA" THEN "Afar" ELSEIF "AB" THEN "Abkhazian" ELSEIF "AF" THEN "Afrikaans" ELSEIF "AM" THEN "Amharic" ELSEIF "AR" THEN "Arabic" ELSEIF "AS" THEN "Assamese" ELSEIF "AY" THEN "Aymara" ELSEIF "AZ" THEN "Azerbaijani" ELSEIF "BA" THEN "Bashkir" ELSEIF "BE" THEN "Byelorussian" ELSEIF "BG" THEN "Bulgarian" ELSEIF "BH" THEN "Bihari" ELSEIF "BI" THEN "Bislama" ELSEIF "BN" THEN "Bengali" ELSEIF "BO" THEN "Tibetan" ELSEIF "BR" THEN "Breton" ELSEIF "CA" THEN "Catalan" ELSEIF "CO" THEN "Corsican" [.......] ELSE "" ENDIF