How to fix the Oracle error ORA-30940: Cannot resolve prefix ‘string’ for QName node ‘string’?

In this post, you’ll learn more about the Oracle ErrorORA-30940: Cannot resolve prefix ‘string’ for QName node ‘string’ with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30940: Cannot resolve prefix ‘string’ for QName node ‘string’

Reason for the Error ORA-30940: Cannot resolve prefix ‘string’ for QName node ‘string’

An attempt was made to store a QName value without having a valid namespace in scope for that prefix.

How to fix the Error ORA-30940: Cannot resolve prefix ‘string’ for QName node ‘string’ ?

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

Declare the namespace for the prefix used