My first guess would be: someone (the dba?) has created a DDL-trigger that isn't quite bug-free yet... In the meantime for diagnosis, you could just sql-trace your drop-table command, and check the tracefile to see what happens behind the scenes and causes the numeric/value error. On Thu, Mar 3, 2011 at 10:05 PM, Thomas Day <tomdaytwo@xxxxxxxxx> wrote: > CREATE TABLE DUMMY1(BOB VARCHAR2(2)) > * > ERROR at line 1: > ORA-00604: error occurred at recursive SQL level 1 > ORA-06502: PL/SQL: numeric or value error: NULL index table key value > ORA-06512: at line 22 > > Unfortunately I'm new at this position and they haven't gotten around to to > giving me the CS number for a metalink account. Maybe this will light a > fire. > > Anyway, can anyone shed any light on this behavior. It's 10.2.0.4.0 on > Windows server 2003. My client is the Oracle 11g on Windows 7. > > -- Toon Koppelaars RuleGen BV Toon.Koppelaars@xxxxxxxxxxx www.RuleGen.com TheHelsinkiDeclaration.blogspot.com (co)Author: "Applied Mathematics for Database Professionals" www.rulegen.com/am4dp-backcover-text