How to fix the Oracle error CRS-02537: Resource type ‘string’ cannot be extended directly; use its extensions instead?

In this post, you’ll learn more about the Oracle ErrorCRS-02537: Resource type ‘string’ cannot be extended directly; use its extensions instead with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-02537: Resource type ‘string’ cannot be extended directly; use its extensions instead

Reason for the Error CRS-02537: Resource type ‘string’ cannot be extended directly; use its extensions instead

Cause: The type cannot be extended.

How to fix the Error CRS-02537: Resource type ‘string’ cannot be extended directly; use its extensions instead ?

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

Action: Use a type that extends this one.