Diagnosis
1 '2' did not exist in the structure. however, the structure containedreferences to &1 '&2'.

System Response
1 '2' was added to the structure during loading.

Procedure
If the structure is a reusable structure, save it. If the query is alocal structure, save it. If the changes are not saved and &1 '&2' isstill used, further errors can occur.