Document type can only be used as an additional split criterion

What causes this issue?

In event 5130, you have activated document splitting for the transfer
document and have only selected the <LS>document type</> (field BLART)
as the split criterion.

System Response

The system cannot perform the transfer.

How to fix this error?

You have to activate splitting by <LS>reference document number</>
(field XBLNR) or by <LS>classification key</> (field OPORD). After that,
you can activate the document type as an additional split criterion.

Procedure for System Administrators

Adjust your customer module for event 5130 accordingly.

Error message extract from SAP system. Copyright SAP SE.