Material must be Unique within Group

Key Points: Material must be Unique within Group

1. The error message
This error message Material [material name] is already specified on part [part number and name] for the [group name] group in this category. Material must be unique within the group. may appear when adding timber parts to the part list.

2. Why this error message appears
This error message appears if there is already a part of this material in the group which has been selected. Group is the subcategory selected next to category. For example, the category is surround > internal architrave and the group is 3 inch Ogee:

3. The solution
For material must be unique within the group select one of the following options:

Select a different material for the part
Select a different group
Create a new group from the dropdown menu