Oracle Solution for Error ora-19943

ORA-19943: The current database incarnation changed during backup

What triggered the Error:

e backup failed because the current database incarnation was changed during the backup. One of the following events caused this incarnation change: *- The database was opened using ALTER DATABASE OPEN RESETLOGS statement. *- RMAN command RESET DATABASE TO INCARNATION was issued. *- If this happened on physical standby database, then redo apply has applied redo data from a new database incarnation.

What should we do to fix it:

-try the backup.