How to fix the Oracle error ORA-18118: XUDY0019 – External updating function returns an invalid value?

In this post, you’ll learn more about the Oracle ErrorORA-18118: XUDY0019 – External updating function returns an invalid value with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-18118: XUDY0019 – External updating function returns an invalid value

Reason for the Error ORA-18118: XUDY0019 – External updating function returns an invalid value

A function that was declared to be both external and updating returned a nonempty data model instance.

How to fix the Error ORA-18118: XUDY0019 – External updating function returns an invalid value ?

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

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