How to fix the Oracle error LPX-01045: [XQST0045] Invalid function namespace?

In this post, you’ll learn more about the Oracle ErrorLPX-01045: [XQST0045] Invalid function namespace with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

LPX-01045: [XQST0045] Invalid function namespace

Reason for the Error LPX-01045: [XQST0045] Invalid function namespace

Cause: It is a static error if the function name in a function declaration is in one of the following namespaces: http://www.w3.org/XML/1998/namespace, http://www.w3.org/2001/XMLSchema, http://www.w3.org/2001/XMLSchema-instance, http://www.w3.org/2005/xpath-functions.

How to fix the Error LPX-01045: [XQST0045] Invalid function namespace ?

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

Action: None