Material Selection Tab
On the Material Selection tab, you specify the analysis data, the analysis level, and the analysis area.
The analysis level defines whether you want to display material-plant combinations or material-plant MRP area combinations as the lowest aggregation level.

You select the required materials using standard SAP functions.
The Plant and Material fields are mandatory fields. Since the system checks whether the fields are filled before starting the analysis, you can navigate to the other tabs even before you enter values in these fields.