How to fix the Oracle error ORA-23453: requested operation is not supported on top flavor?

In this post, you’ll learn more about the Oracle ErrorORA-23453: requested operation is not supported on top flavor with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23453: requested operation is not supported on top flavor

Reason for the Error ORA-23453: requested operation is not supported on top flavor

The TOP flavor has a NULL name and may not be directly defined or deleted.

How to fix the Error ORA-23453: requested operation is not supported on top flavor ?

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

Supply the name of a flavor other than the TOP flavor or use dbms_repcat routines to implicitly change the TOP flavor.