SAP Message /MAP/M810 - Forecast model &1: specify a forecast level

Diagnosis
The characteristics for which forecast values are to be calculated mustbe entered in the settings for the forecast model.
No forecasat level has been entered for forecast model &V1&, that is,the list of these characteristics is empty.

System Response
Processing is cancelled.

Procedure
Enter the characteristics in the forecast level of forecast model &V1&.