If fields are not supplied via supply routines and/or established values, and changes are to be made in a transmitted EAN, the current version can be activated for changes with the button 
.
After clicking this button, the material needs to be refreshed before changes are possible.
The pencil icon which appears in the Hierarchy Tree indicates that changes can be made. After performing the changes, the Save button needs to be pressed. The next steps are to Confirm Changes and Send Data.