SAP Message WXP278 - Planning step &1 does not exist in planning scenario &2

Diagnosis
YOu want to carry out automatic planning for planningstep &V1&. This planning step does not, however, exist inplanning scenario &V2&, which you defined.

System Response
Automatic planning is not executed.

Procedure
Correct your entry or create the requiredplanning step in Customizing for planningscenario &V1&.