SAP Message XS068 - Route from node & overwritten

Diagnosis
You have entered the route (address area) &V2& &V3& in node maintenancefor node &V4&. Up until now this route has been assigned to node &V1&.Now it will be assigned to node &V4&.

System Response
After confirmation the route is changed.

Procedure
You should either change the route (address area) in the nodemaintenance or confirm the change.