I have a user defind format which shows proper output while using it in SAS 9.3, I can see the format defination in format library. But while using the same defination in 9.1 it does not give value or error, more over when I try to open it from the format library it gives error message "No default action for the Format data type." I need to use it in both the versions of SAS. Is there some limitation for SAS 9.1?
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