How to fix the Oracle error ORA-13772: unexpected deadlock on “SQL Tuning Set” “string” owned by user “string”?

In this post, you’ll learn more about the Oracle ErrorORA-13772: unexpected deadlock on “SQL Tuning Set” “string” owned by user “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-13772: unexpected deadlock on “SQL Tuning Set” “string” owned by user “string”

Reason for the Error ORA-13772: unexpected deadlock on “SQL Tuning Set” “string” owned by user “string”

Unexpected error from DBMS_LOCK.REQUEST

How to fix the Error ORA-13772: unexpected deadlock on “SQL Tuning Set” “string” owned by user “string” ?

You can fix this error in Oracle by following the below steps

This error should not normally occur. Check your system for anomalies and retry the operation. If this error persists, contact Oracle Support Services.