How to fix the Oracle error LSX-00161: disallowed type substitution between “~S” and “~S”?

In this post, you’ll learn more about the Oracle ErrorLSX-00161: disallowed type substitution between “~S” and “~S” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

LSX-00161: disallowed type substitution between “~S” and “~S”

Reason for the Error LSX-00161: disallowed type substitution between “~S” and “~S”

Cause: There was a substituted type whose deriving method falls in the union of the {disallowed substitutions} and the {type definition}’s {prohibited substitutions}.

How to fix the Error LSX-00161: disallowed type substitution between “~S” and “~S” ?

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

Action: Remove the offending deriving method from the element’s {disallowed substitutions} list or the {type definition}’s {prohibited substitutions} list.