Entering or Changing Material Components in the Material List 
Whether your material has a material list or not, you can enter or change material components in the Material list screen of the process order. You can allocate, create, change or delete components in the order as long as the system statuses "created" or "released" are active. You should, however, note the following:
You can change component data both in create and change mode.
The following detail screens exist for components:
To change component allocation to operations or phases, proceed as follows: