You cannot change attributes which were delivered by SAP.
1. Choose an attribute type (variant/role/subject area) from the overview tree at the left-hand side in the transaction Roadmap Repository (RMDEF), and choose Create from the context menu.
2. Enter a name.
3. Save the changes.
4. You can specify a transport request, in the following dialog box.
5. To assign a document to the attribute, choose the pushbutton with the Quick Info Create Doc.
6. Enter the required data.
7. Specify the transport request in the following dialog box.