How to fix the Oracle error OCI-22307: type to alter is not a user-defined type?

In this post, you’ll learn more about the Oracle ErrorOCI-22307: type to alter is not a user-defined type with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

OCI-22307: type to alter is not a user-defined type

Reason for the Error OCI-22307: type to alter is not a user-defined type

The user is trying to alter a built-in type.

How to fix the Error OCI-22307: type to alter is not a user-defined type ?

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

Check to make sure that only user-defined types are being altered.