Cause . . . . . : This query is not usable. You cannot change, display, or run this query, nor can you print its definition. Recovery . . . : If you need this query, note its name and the library in which it is stored, then delete and redefine the query. If this query has had its definition printed or saved on the system, you can use that information to redefine it. (If you don't have the authority to delete the query, you should notify its owner.) Or, you can use or create another query.