How to fix the Oracle error ORA-13851: Tracing for client identifier string is already enabled?

In this post, you’ll learn more about the Oracle ErrorORA-13851: Tracing for client identifier string is already enabled with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-13851: Tracing for client identifier string is already enabled

Reason for the Error ORA-13851: Tracing for client identifier string is already enabled

Attempt to enable a client identifier tracing which has been already enabled

How to fix the Error ORA-13851: Tracing for client identifier string is already enabled ?

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

Supply correct client identifier, or disable and re-enable tracing with different bind/wait options