Diagnosis
You want to create a BOM for plant &V1&. The plant key possiblycontains the special character "*".
In BOM functions, the special character "*" is not allowed inthe Plant field because it has a specific meaning in thesystem (selection of all BOMs irrespective of the plant).
As this plant is not defined to support BOM maintenance, you cannotcreate the BOM for this plant.

Procedure
Correct your entry in the Plant field.