On the Project Material/Work Groups tab, you can see the material and work groups that have been assigned to the supplier within the current project. If you are working with project suppliers, at least one entry must exist here. When project suppliers are created, all material and work groups that have been assigned to the supplier are automatically copied over as project material/work groups. But you can add additional material/work groups or delete material/work groups that are not applicable. If no material/work group at all has been assigned to a supplier, you will be forced to enter one when trying to create a project supplier. When the last project material/work group for a supplier is deleted, this supplier will be removed from the project supplier list.
With project default ZP_POP_MG set to Y, project material groups entered on the Project Material/Work Groups tab appear on the Material/Work Groups tab, regardless of the origin of the supplier-related data (that is, data entered directly on the A.10.23 Companies and P.20.01 Suppliers/Subcontractors screens vs. data provided by the supplier via login request and questionnaire).
The Matl/Work Group Type field shows the name of the material/work group type. Double-click in this field to open the P.10.42 Material/Work Groups screen, where the material/work group types are defined. The description of the material/work group type is displayed in the Matl/Work Grp Type Description field. The name of the material/work group is shown in the Matl/Work Group field. Double-click in this field to open the P.10.42 Material/Work Groups screen, where the material/work groups are defined. The material/work group revision is shown in the Rev field and the material/work group descriptions in the Short Desc and Description fields.