SAP Message V4196 - Planned cumulative qty: Schedule line qty/qties has (have) been reduced

Diagnosis
According to the planned cumulative quantity sent in the intermediatedocument (IDoc), the system has determined that you have deliveredmaterials ahead of schedule.

System Response
The system reduces existing schedule lines by the quantity that hasbeen delivered ahead of schedule.

Procedure
To identify those schedule lines that were reduced, compare data in thedelivery schedule with original data in the IDoc.