How to fix the Oracle error PLS-00581: inheritance is not supported for opaque types?

In this post, you’ll learn more about the Oracle ErrorPLS-00581: inheritance is not supported for opaque types with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00581: inheritance is not supported for opaque types

Reason for the Error PLS-00581: inheritance is not supported for opaque types

An attempt was made to declare an opaque type with a supertype.

How to fix the Error PLS-00581: inheritance is not supported for opaque types ?

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

Remove the supertype specification.