Oracle Error ORA-13664: A task-managed “SQL Tuning Set” already exists for task “string”.

Oracle Error Message

ORA-13664: A task-managed “SQL Tuning Set” already exists for task “string”.

Reason for the Error

An attempt was made to create a task-managed SQL Tuning Set for a task that already had one.

Solution

Create a new task to use a different SQL Tuning Set.