SAP Note 28771 - Execute forecast model 0 and forecast again

Symptom:

When maintaining a material master record, you specify forecast model 0, resulting in the forecast values being deleted. If afterwards you want to make a forecast for the material, you can no longer do so if the date of the last forecast is in the current period.

Cause and prerequisites

After specifying forecast model 0, the date of the last forecast is not reset by the system.

Solution
Problem corrected in Release 2.2G and Release 3.0B.

Additional key words

Transaction: MM02; program: SAPMM03M; fields: MPOP-PRMOD, MPOP-PRDAT