Solution : https://service.sap.com/sap/support/notes/855972 (SAP Service marketplace login required)
Key words :
late number assignment activated, change_data_at_save iw51 iw21 reason, pm/cs notifications, symptom changed data, pm/cs notification, change_data_at_save method returns, current notification data, change_data_at_save method, change data, service notification
Related Notes :
| 994321 | RUMAM30.SR2_LTP- synch error, RFC system error |
| 958574 | PM/CS notification: Data is saved incorrectly |