How to fix the Oracle error LPX-00307: namespace prefix ~S used but not declared?

In this post, you’ll learn more about the Oracle ErrorLPX-00307: namespace prefix ~S used but not declared with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

LPX-00307: namespace prefix ~S used but not declared

Reason for the Error LPX-00307: namespace prefix ~S used but not declared

Cause: Namespace prefix is used but not declared.

How to fix the Error LPX-00307: namespace prefix ~S used but not declared ?

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

Action: Either declare the namespace or don’t use this namespace prefix.