On 06/19/2006 10:55:55 AM, Stefan Knecht wrote: > alter system set events '1403 trace name errorstack off'; Try with this: alter system set events '1403 trace name context off'; SQL> alter system set events '1403 trace name errorstack level 1'; System altered. SQL> alter system set events '1403 trace name context off'; System altered. -- Mladen Gogala http://www.mgogala.com -- //www.freelists.org/webpage/oracle-l