Specify filter values

What causes this issue?

In order to save your filter-dependent BAdI implementation, you must
specify filter values.

System Response

Without filter values, the implementation cannot be saved.

How to fix this error?

Enter the filter values.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.