How to fix the Oracle error ORA-49406: Undefined configuration parameter specified [string]?

In this post, you’ll learn more about the Oracle ErrorORA-49406: Undefined configuration parameter specified [string] with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-49406: Undefined configuration parameter specified [string]

Reason for the Error ORA-49406: Undefined configuration parameter specified [string]

The specified configuration parameter was not found in ADR.

How to fix the Error ORA-49406: Undefined configuration parameter specified [string] ?

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

Specify an existing parameter. Re-populate parameters if necessary.