When you run the awr report with non privileged user i.e custom user (even with dba privilege) you may receive the following error.
@?/rdbms/admin/awrrpt.sql
ORA-13605: The specified task or object does not exist for the current user.
Error encountered in special section 99995
The possible cases are,
missing grant on sys.dbms_advisor bug 17588463 — found […]
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