Diagnosis
Model training is only possible if at least all characteristics for theforecast level are contained in the source data. You must adhere to thestandard naming conventions for field names.
In the case of characteristic &V1&, field &V2& is expected. This fieldis not contained in the source data.

System Response
Processing is cancelled.

Procedure
Make sure that characteristic &V1& with the field name &V2& is containedin the source data.