Solution : https://service.sap.com/sap/support/notes/323910 (SAP Service marketplace login required)
Key words :
vbp object type goto -> transactions allowed position, additional key words va02, basically source code modifications, attached source code correction, goto -> transaction control edit -->, changeable order item exists, permitting status exists, mill_vs_flow-status_adm = 'x', flat-rate maintenance, status detail view
Related Notes :
| 948082 | Status management for versions of order items |
| 428410 | Incomplete status management for versions |
| 329470 | Collect note IS-MP 2.0B Add-On Support Package 004 |
| 323908 | Status management for versions of order items |
| 323106 | Collective note IS-MP 1.0B - Add-On patch 013 |