Solution : https://service.sap.com/sap/support/notes/383763 (SAP Service marketplace login required)
Key words :
wbs element type 3 = transfer settlement rule, wbs element type 4 = transfer settlement rule, type 2 = generate settlement rule, additional key words cn21, source code change, indicator 'copy assignment, sales order item, settlement rule, wbs element, sales order'
Related Notes :
518496 | Report for generating missing settlement rules |
406059 | Settlement rule cannot be generated |
190219 | CN21: Settlement rule is not determined |