Solution : https://service.sap.com/sap/support/notes/198747 (SAP Service marketplace login required)
Key words :
rfc module bapi_transaction_commit, call function 'bapi_acc_activity_alloc_post', rfc scenario, transactions kbxx, customer program, system assigns, document number, terms kb11, 'commit work, update start
Related Notes :
| 397239 | INFO:CO-OM Interface/actual postings/commitment/down payment |