invalid airport code?


for some strange reason, every time i choose airport activity for
puerto rico and the virgin islands i keep getting this message.
unknow or invalid airport code; using the correct icao 3 or 4
digit airport code; not iata code. can someone suggest a
solution to this anomaly?

new member, great service (free) and lots of very knowledgeable
and helpful aviation friends.

thank you very much


What airport codes?