Solution : https://service.sap.com/sap/support/notes/945423 (SAP Service marketplace login required)
Key words :
node 'define application behaviour settings', define application behavior setting, icon pencil shaped, existing 'customizing object', press edit button, press edit, edit button, terms duet, img reason, wrong viewcluster
Related Notes :
| 939994 | Duet 1.0 (Early Version 2) Central Note |