Diagnosis
You want to create a JIT deliveryschedule although a forecast delivery schedule does not exist yetfor scheduling agreement item &V1& &V2&.

Procedure
Create a delivery schedule first in order to define the requirementquantity for the medium and long term. Normally, the JIT deliveryschedule controls the delivery all by itself.
If the error occurred in the IDoc processing, you must not startprocessing again until the IDoc that creates the forecast deliveryschedule for the scheduling agreement has been processed.
Afterwards, you can start the IDoc again.