i've this errors in system.log:
2010:06:02-08:23:44 acc postgres[13268]: [25-1] ERROR: duplicate key value violates unique constraint "aggregated_accounting_services_pkey"
2010:06:02-08:23:44 acc postgres[13268]: [25-2] STATEMENT: INSERT INTO aggregated_accounting_services
2010:06:02-08:23:15 acc postgres[13268]: [24-1] ERROR: duplicate key value violates unique constraint "aggregated_netsec_fw_services_pkey"
2010:06:02-08:23:15 acc postgres[13268]: [24-2] STATEMENT: INSERT INTO aggregated_netsec_fw_services