Solution : https://service.sap.com/sap/support/notes/334524 (SAP Service marketplace login required)
Key words :
additional key words va01, customer-specific rules, v_tvag-fk_erl = 'x', document status remain, sets item reason, item status, item reason, item categories, schedule lines, sales order
Related Notes :
| 177219 | Configuration of reason f.rejection in sales orders |