Message SAP WXP260 - Plan version &1 is already assigned to planning scenario/step &2/&3

Diagnosis
You want to copy data from plan version &V1& ofsource planning step &V4&. Plan version &V1& has, however, already beenassigned to planning step &V3& inplanning scenario &V2&.

System Response
The link cannot be executed.

Procedure
Enter another source plan version. You can view possible entries usinginput help (F4).