Solution : https://service.sap.com/sap/support/notes/124727 (SAP Service marketplace login required)
Key words :
additional key words we19, attached source code corrections, processing message type aclpay, function module exit exit_saplacc1_033, termination call_function_parm_missing occurs, function exit, type aclpay01, process idocs, invoice receipt, incorrect parameter
Related Notes :
| 120888 | Function exits for Idocs AC* not active |
| 105846 | Collective note: Interfaces to Accounting |