SAP Note 25700 - Sched. agreemt for comp. suppliers - New del.sched.

Symptom:

In already existing delivery schedules or JIT delivery schedules for which the fields for the last delivery posted at the customer (VBLB-LFNKD) and the cumulative received quantity at the customer (VBLB-ABEFZ) are not filled, the cumulative received quantity at the customer is set equal to the cumulative delivered quantity in the delivery schedule when you press ENTER or when you exit the screen. This is incorrect as the cumulative quantities should be set equal only when a new delivery schedule is created.
The situation described above leads to:

• you receive Message V4016 'Save your changes first' when you exit the delivery schedule although nothing has been changed.

• the open quantities due for delivery being calculated incorrectly for delivery schedules already delivered.

Cause and prerequisites
Solution
See below for changes in the program code.