Be happy that you now get a warning that notifies you of "unclean" data. Make sure that the input data sets have corresponding attributes before doing the join. ... View more

Hi:   You might look at this example: 45011 - Using return codes from automatic macro variable &SYSINFO with PROC COMPARE   In particular, the "Full Code" tab that shows how to do "bit testing" with the value of &SYSINFO. I believe that in order to get valid values from &SYSINFO, you must use the "bit testing" method described in the Tech Support note. cynthia ... View more