How to fix the Oracle error LPX-01066: [XQST0066] Repeated default declaration?

In this post, you’ll learn more about the Oracle ErrorLPX-01066: [XQST0066] Repeated default declaration with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

LPX-01066: [XQST0066] Repeated default declaration

Reason for the Error LPX-01066: [XQST0066] Repeated default declaration

Cause: A static error is raised if a Prolog contains more than one default element/type namespace declaration, or more than one default function namespace declaration.

How to fix the Error LPX-01066: [XQST0066] Repeated default declaration ?

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

Action: None