Solution : https://service.sap.com/sap/support/notes/1420214 (SAP Service marketplace login required)
Key words :
extended classic scenario, budget availability check, purchase order, subsequently enter, related invoice, backend erp, change version, work properly, fmioi reason, solution installation
Related Notes :
| 1423384 | AVC on PO which has an invoice issues budget errors |
| 1137010 | SRM PO budget check: Including follow-on documents |
| 1081758 | FAQ: Budget Check/Display |