How to fix the Oracle error ORA-19973: flashback database is not enabled?

In this post, you’ll learn more about the Oracle ErrorORA-19973: flashback database is not enabled with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19973: flashback database is not enabled

Reason for the Error ORA-19973: flashback database is not enabled

Physical standby transition to snapshot standby required only one instance left running if flashback database logging was not enabled.

How to fix the Error ORA-19973: flashback database is not enabled ?

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

Shutdown all but one instance, then retry the command.