How to fix the Oracle error KUP-04066: error initializing access to external table source?

In this post, you’ll learn more about the Oracle ErrorKUP-04066: error initializing access to external table source with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

KUP-04066: error initializing access to external table source

Reason for the Error KUP-04066: error initializing access to external table source

An error occurred while attempting to retrieve information about a data source.

How to fix the Error KUP-04066: error initializing access to external table source ?

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

See messages preceding this one for more information about the error.