Solution : https://service.sap.com/sap/support/notes/1079987 (SAP Service marketplace login required)
Key words :
referenced budget billing documents, post budget billing amount, statistical budget billing, relevant support package, invoice document, system issues, data exists, error edereg_inv 770, terms invmon, deregulation switch
Related Notes :
| 1124836 | ETRANSF: Missing funcs before Support Package 09 for ERP 600 |
| 1021557 | Downgrade ERP2005 SP9 - Aggregated Posting (Supplier Side) |