How to fix the Oracle error ORA-26740: cannot downgrade because there are file groups?

In this post, you’ll learn more about the Oracle ErrorORA-26740: cannot downgrade because there are file groups with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-26740: cannot downgrade because there are file groups

Reason for the Error ORA-26740: cannot downgrade because there are file groups

An attempt was made to downgrade a database that has file groups.

How to fix the Error ORA-26740: cannot downgrade because there are file groups ?

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

Drop all file groups before attempting the downgrade.