Split scenario is only available for a natural person

What causes this issue?

The system has determined that you are not a natural person (that is, a
sole proprietor). Only vendors or customers who are natural persons can
choose a split scenario.

System Response

How to fix this error?

If you wish to continue, deselect the <LS>Split Scenario </>checkbox.

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.