omfgppc - 2011-09-14

I get this error when I try to add an item. Any ideas on how to fix this?

"ERROR:  SELECT DISTINCT ON expressions must match initial ORDER BY expressions
LINE 4:  SELECT  DISTINCT ON ( item_number ) item.*, classcode.*, uo…
                               ^"
Please visit: http://www.xtuple.org/node/4450 for the changed document