How to fix the Oracle error RDE-00053: invalid or null service instance.?

In this post, you’ll learn more about the Oracle ErrorRDE-00053: invalid or null service instance. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RDE-00053: invalid or null service instance.

Reason for the Error RDE-00053: invalid or null service instance.

Cause: The service instance used for an operation is either invalid or null.

How to fix the Error RDE-00053: invalid or null service instance. ?

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

Action: Specify a valid service instance.