Diagnosis
You want to display or edit method &V1&. However, the layout for whichthe method was originally created does not exist. (It was probablydeleted or not transported to the present system.)

System Response
Customizing settings of method cannot be displayed.

Procedure
If method &V1& has arrived through a transport in the present system,transport the method layout again. Then you will be able to edit themethod again.
On the other hand, if the method was created manually in the presentsystem, the Customizing settings are no longer accessible. In this case,delete the method and create it again (with a new layout).