SAP Message VW265 - Logical system & is already assigned to another planning system

Diagnosis
You have tried to assign a transportation planning point to a logicalsystem that is already used for another transportation planning point.A logical system can only be used for one transportation planningpoint.

System Response
The transaction can not be completed with this entry.

Procedure
Use a logical system that has not yet been used for externaltransportation planning system.