Here's an excerpt of my log file
[31/Jul/2002:17:50:50][29816.324613][-conn14-] Notice: Querying
'
update acs_objects
set security_inherit_p = 'f'
where object_id = '5679';'
[31/Jul/2002:17:50:50][29816.324613][-conn14-] Error: Ns_PgExec:
result status: 7 message: ERROR: triggered data change violation on
relation "acs_object_context_index"
[31/Jul/2002:17:50:50][29816.324613][-conn14-] Error: dbinit:
error(localhost::dotlrn,ERROR: triggered data change violation on
relation "acs_object_context_index"
): '
update acs_objects
set security_inherit_p = 'f'
where object_id = '5679'
'
[31/Jul/2002:17:50:50][29816.324613][-conn14-] Notice: Querying
'abort transaction;'
[31/Jul/2002:17:50:50][29816.324613][-conn14-] Notice: Ns_PgExec:
Rolling back transaction
[31/Jul/2002:17:50:50][29816.324613][-conn14-] Notice: dbinit:
sql(localhost::dotlrn): 'abort transaction'
[31/Jul/2002:17:50:50][29816.324613][-conn14-] Notice: RP (680.789
ms): error in rp_handler: serving POST /dotlrn/admin/user-new-2