How to fix the Oracle error ORA-19655: cannot switch to incarnation with different RESETLOGS data?

In this post, you’ll learn more about the Oracle ErrorORA-19655: cannot switch to incarnation with different RESETLOGS data with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19655: cannot switch to incarnation with different RESETLOGS data

Reason for the Error ORA-19655: cannot switch to incarnation with different RESETLOGS data

This SWITCHTOCOPY operation is attempting to switch to a datafile which comes from a different RESETLOGS version of the database.

How to fix the Error ORA-19655: cannot switch to incarnation with different RESETLOGS data ?

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

Either restore a backup control file that was taken from the same database version as the target datafile copy, or switch to a different datafile copy.