Solution : https://service.sap.com/sap/support/notes/634077 (SAP Service marketplace login required)
Key words :
error accessing function module, sd billing document, cancel billing document, reverse billing document, activated funds management, function module fm_ledger_reverse_precheck, error message fi 030, source code corrections, program error, fi 030 reason
Related Notes :
| 640252 | Real Reversal not possible, if budgetary ledger is active |
| 575461 | VF11 Cancel Billing doc does not post to Special Purp Ledger |