How to fix the Oracle error PLS-00590: attempting to create a subtype UNDER a FINAL type?

In this post, you’ll learn more about the Oracle ErrorPLS-00590: attempting to create a subtype UNDER a FINAL type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00590: attempting to create a subtype UNDER a FINAL type

Reason for the Error PLS-00590: attempting to create a subtype UNDER a FINAL type

An attempt was made to create a subtype UNDER a FINAL type.

How to fix the Error PLS-00590: attempting to create a subtype UNDER a FINAL type ?

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

Avoid deriving a subtype from this FINAL type.