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DBMS_STATS errors ORA-12012, 20001, 6512 after upgrade to 12.2 from 11.2.0 on Windows OS

in Database Administration (MOSC) 2 commentsAnswered

We have installed 12.2 up to the last available patch created a new multi-tenant database with 2 pdbs and did a data pump export and import to achieve the upgrade.
(We are working in phases towards 19)

In the alert log is reporting:
ORA-12012 on execute of job ora$AT_OS_OPT_SY_####
ORA-20001: Statistics Advisor: Invalid Task Name for the current user
ORA-06512 on SYS.DBMS_STATS
ORA-06512 on DBMS_STATS_ADVISOR Line ###
ORA-06512 on DBMS_STATS_INTERNAL Line ###
One set of errors for each of the PDBS

I have followed doc # Doc ID 2420581.1 execute "EXEC dbms_stats.init_package();" I also followed

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