Adjust the enhancement in the source code

What causes this issue?

Changes to the interface may require an enhancement of the source code
changes, for example, to enable new paramketers to be accessed. Please
carry out this enhancement after the changes have been made to the
interface, since existing exits will not automatically be adjusted.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.