How to fix the Oracle error PLS-00139: duplicate external NAME specification in subprogram expression?

In this post, you’ll learn more about the Oracle ErrorPLS-00139: duplicate external NAME specification in subprogram expression with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PLS-00139: duplicate external NAME specification in subprogram expression

Reason for the Error PLS-00139: duplicate external NAME specification in subprogram expression

The subprogram was found to have two external NAME specifications.

How to fix the Error PLS-00139: duplicate external NAME specification in subprogram expression ?

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

Remove one of the external NAME specifications.