I have seen this many times and decided to ignore the message. It is after all a warning and not an error. It seems benign as trying to close a file that isn't open is harmless. You may wonder why the developer bothered to issue a warning of that fact. This one, IMHO, belongs to the ever growing class of messages that belong to the "background radiation" that is present in many SAS logs. You have no choice but to ignore them which means you could do without. They probably exist to make up for those messages you would have wanted but do not get.   Regads, - Jan. ... View more