SAP Message 29071 - Last bill of material

Diagnosis
You want to create a variant for the BOM for the material you entered(variante BOM).
The BOM is maintained via date. However, on the initial screen youentered a technical status or a change number which contains atechnical status.
INCLUDE AD_NA_GUELTIG

Procedure
You have two options:
Press ENTER.
Check your entries.
Enter another material, where the BOM is maintained according totechnical status if appropriate.
If the material entered (and therefore the BOM) is correct, cancel thetransaction Create variant for....
On the initial screen, enter a valid from date or a change numbercontaining a valid from date instead of a technical status. Choosethe function Create variant for... again.