Items in category &2 need a required breakdown for characteristic &1

What causes this issue?

Items for characteristic &v1& in breakdown cat. &v2& do not have a
required breakdown. Since a required breakdown is defined for dependent
characteristic &v3&, a required breakdown is also needed for &v1&.

System Response

Termination

How to fix this error?

Either define a required breakdown for the items for characteristic
&v1&, or define an optional breakdown for &v3&.

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.