Diagnosis
According to the scheduling levels in Customizing, no scheduling isallowed for this order/these orders.

Procedure
The scheduling levels (detailed, prod.rate, rough-cut) are maintainedin Customizing in the MRP menu.
They depend on:

• the order group (here: "planned order"),


• the order type of the planned order as well as,


• the production scheduler, that must be allocated in the material
master.
The indicator for scheduling must also be selected for the chosenscheduling level.