How to fix the Oracle error ORA-19693: backup piece string already included?

In this post, you’ll learn more about the Oracle ErrorORA-19693: backup piece string already included with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19693: backup piece string already included

Reason for the Error ORA-19693: backup piece string already included

This backup piece was already specified for inclusion in the restore conversation. A restore conversation may process only a single instance of a backup piece.

How to fix the Error ORA-19693: backup piece string already included ?

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

Remove the specified duplicate backup piece in restore steps and restart the conversation.