Solution : https://service.sap.com/sap/support/notes/992525 (SAP Service marketplace login required)
Key words : 
hu managed storage location, prerequisites program enhancement, attached correction instructions, capture serial number, hu maintenance, serial number, sap note 989101, item belonging, serialization procedure, profileis mandatory
Related Notes : 
       
| 989101 | LM80: Serial number assignment not possible | 
| 988277 | WS_DELIVERY_UPDATE_2 allows assignment of serial numbers |