Field help (KXDLVDAT) 

Enter the delivery date for each delivery request line. The format is as follows:

Weekly requests and monthly requests are automatically considered as scheduled (non-modifiable status) though daily requests are suggested by default with a firm status which can be modified depending on the firm horizon defined on the contract order line.

Delivery request lines must be entered in a chronological order. In case of insertion, the inserted line must have a date superior or equal to the previous date and inferior or equal to the next date.

Collision on period.
If a delivery call-off plan contains daily, weekly and monthly requests overlapping may occur.
In any case, if a period is defined as weekly, the next periods must be expressed either weekly or monthly. Similarly, if a period is defined as monthly, only monthly periods can be entered in the next periods. It will be impossible to enter the daily requests beyond a weekly or monthly period.

It is possible to have overlapping if a daily request is entered and if a weekly request contains a daily request. This can also be the case if there is a weekly request and an attempt is made to enter a monthly request overlapping the weekly request (For example, if the weekly period included the 2 for the next month, it will not be possible to enter a monthly delivery request for the next month).