How to fix the Oracle error ORA-29658: EXTERNAL NAME clause is not compatible with its supertype?

In this post, you’ll learn more about the Oracle ErrorORA-29658: EXTERNAL NAME clause is not compatible with its supertype with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29658: EXTERNAL NAME clause is not compatible with its supertype

Reason for the Error ORA-29658: EXTERNAL NAME clause is not compatible with its supertype

The EXTERNAL NAME clause of the type is not a subclass of the supertype EXTERNAL NAME.

How to fix the Error ORA-29658: EXTERNAL NAME clause is not compatible with its supertype ?

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

Make sure the EXTERNAL NAME clause of the type is a subclass of the EXTERNAL NAME of its supertype.