How to fix the Oracle error ORA-19861: additional backup pieces cannot be validated in this conversation?

In this post, you’ll learn more about the Oracle ErrorORA-19861: additional backup pieces cannot be validated in this conversation with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19861: additional backup pieces cannot be validated in this conversation

Reason for the Error ORA-19861: additional backup pieces cannot be validated in this conversation

The user tried to add new pieces to the list of files being validated after the validation had already been performed. In a validation conversation, the list can only be validated once.

How to fix the Error ORA-19861: additional backup pieces cannot be validated in this conversation ?

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

Add all the backup pieces to the list before validating, or start a new validation conversation for the remaining pieces.