Oracle Message QSM-00517 - Summary Advisor requires a COMPATIBLE setting of 8.1.0.0 or greater

ERRORSummary Advisor requires a COMPATIBLE setting of 8.1.0.0 or greater
CAUSEThe current database has a compatibility setting that is earlier than the supported server version.
ACTIONAdjust the instance parameter COMPATIBLE to 8.1.0.0 or greater.