SAP Message V4019 - The cumulative received quantity was reduced without a change of year

Diagnosis
Cumulative quantities are normally increased only when there is nofiscal year change. This may be why an entry error has occurred.

Procedure
Please check to see why the cumulative received quantity was decreased.Unless you have agreed with your customer to decrease the cumulativereceived quantity, you should create a correction delivery note.

121164Del.sched.procg:you cannot correct message display
125736Negative cumul. received qty in delivery sched.
93080Planned delivery date <-> Actual goods receipt date
577886Fiscal year change with variant 'C' in scheduling agreements