Solution : https://service.sap.com/sap/support/notes/447346 (SAP Service marketplace login required)
Key words :
source code corrections, end date reason, terms planned order, /3 order header dates, apo activity dates, planned orders, apo relevant, start date, dummy activity, change dates
Related Notes :
| 438846 | APO: APO order without operations has incorrect status |
| 427842 | No date transfer APO -> R/3 if no operations exist. |