SAP Message 29265 - Configured material & only has variant & defined for it

Diagnosis
You want to link configured material &V1& to the BOM for a configurablematerial. The BOM for the configurable material is a variant BOM. Avariant in this BOM group is already linked to material &V1&.

Procedure
You can only link configured material &V1& to variant &V2& from thisBOM group.