How to fix the Oracle error ORA-31155: attribute string not in XDB namespace?

In this post, you’ll learn more about the Oracle ErrorORA-31155: attribute string not in XDB namespace with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-31155: attribute string not in XDB namespace

Reason for the Error ORA-31155: attribute string not in XDB namespace

The specified attribute should be prefixed with XDB’s namespace.

How to fix the Error ORA-31155: attribute string not in XDB namespace ?

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

Ensure that all XDB specified attributes are prefixed with XDB’s namespace and try again.