Solution : https://service.sap.com/sap/support/notes/608420 (SAP Service marketplace login required)
Key words :
system generates warning message iw437, executing work center differs, almbapi downgrade kit, set date restrictions, respective work center, terms maintenance order, work center, maintenance order, system executes, system checks
Related Notes :
| 708508 | Downgrade BAPI_ALM_ORDER_MAINTAIN -> errors |