Process (create or change) the material BOM with reference to a change number.
Go to an item overview, item detail screen, or header detail screen.
Choose Extras
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New revision level.
The system checks that no revision level has been assigned to the BOM header material for this change number.
If no revision level has been assigned for this change number, the system determines the next revision level defined. You see a dialog box informing you which revision level is assigned to the BOM header material.
Save the BOM.
If a revision level has been assigned for this change number, you see an error message. You can only assign a new revision level if you change the BOM header material with reference to a different change number.