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Correcting Cumulative Quantities - Delivery
Orders 
You adjust cumulative quantities in scheduling agreements for delivery orders:
· In case of returns
· When there has been a processing mistake
· When there has been a year change
· When you are transferring initial quantities from a legacy system into the SAP System
If you are correcting cumulative quantities on the basis of a return, use the special return for delivery orders (type RM).
Correct cumulative quantities only when the customer has not posted goods receipt.
...
1. Create an order using sales document type MAKO.
2. Enter the amount to be adjusted.
3. Enter an item category.
Scroll right in the sales overview to the Item category field. Enter MAK1 to reduce the cumulative quantity, or MAK to increase the cumulative quantity.
When you save the correction document, the system updates the cumulative quantities in the forecast delivery schedule.
