How to fix the Oracle error CRS-02558: Resource type ‘string’ may not be unregistered as there are types that are based on it.?

In this post, you’ll learn more about the Oracle ErrorCRS-02558: Resource type ‘string’ may not be unregistered as there are types that are based on it. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-02558: Resource type ‘string’ may not be unregistered as there are types that are based on it.

Reason for the Error CRS-02558: Resource type ‘string’ may not be unregistered as there are types that are based on it.

Cause: Types may not be unregistered if they have derived types.

How to fix the Error CRS-02558: Resource type ‘string’ may not be unregistered as there are types that are based on it. ?

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

Action: Remove derived types first, then remove this one.