? {04/01/ +alltrim(str(year(date())-1))}That evaluates to an empty date.
m.sqlstr = "member.memdate >= {04/01/" + alltrim(str(year(date())-1)) + "} "to hardcode the date into the sqlstr. Better than that would be an unambiguous-format date:
m.sqlstr = "member.memdate >= {^" + alltrim(str(year(date())-1)) + "-04-01} "