Cause
The user attempted to access a SQL Tuning Set that does not exist.
The user attempted to access a SQL Tuning Set that does not exist.
Check the speelling of the SQL Tuning Set name and retry the operation.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/4419225
https://community.oracle.com/message/9521626
https://community.oracle.com/message/2289603
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