Alarms and KPIs Alarms and Events SCEF (23000-23200, 102801-115001, 390000) 23159 - Diameter Request Routing Failure 23159 - Diameter Request Routing Failure Event Type: SCEF Description: Diameter request could not be routed by the local Diameter Stack. Severity: Info Instance: N/A HA Score: Normal Throttle Seconds: 300 OID: N/A Recovery: It is recommended to contact My Oracle Support for assistance.