Database Error Messages WLMV-08000 to WLMV-08000 160 WLMV-08000 to WLMV-08000 WLMV-08000: WLMV-8000: QoS schema of type <{0}> encountered errors. Cause: The Quality of Service Management (QoS) schema validation encountered errors. Action: Contact Oracle Support Services.