How to fix the Oracle error LPX-01030: [XQTY0030] Expression should evaluate to exactly one node?

In this post, you’ll learn more about the Oracle ErrorLPX-01030: [XQTY0030] Expression should evaluate to exactly one node with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

LPX-01030: [XQTY0030] Expression should evaluate to exactly one node

Reason for the Error LPX-01030: [XQTY0030] Expression should evaluate to exactly one node

Cause: It is a type error if the argument of a validate expression does not evaluate to exactly one document or element node.

How to fix the Error LPX-01030: [XQTY0030] Expression should evaluate to exactly one node ?

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

Action: None