Oracle Solution for Error ora-13758

Solution for Oracle Error ORA-13758

ORA-13758: "SQL Tuning Set" "string" owned by user "string" is in use.

What triggered the Error:

The user attempted to modify a SQL Tuning Set or to add a reference to a SQL Tuning Set which is in use.

What should we do to fix it:

Wait until the end of the previous operation and retry.