Diagnosis
You want to allocate the BOM for a material to another plant. However,there is no BOM for the material and usage entered.
If the material is a configured material, no link to the BOM(s) for theconfigurable material(s) has been created.

Procedure
Before you can create this link, you have to create the BOM or createthe link to the BOM of the configurable material (Material BOM ->Alloc. config. mat. -> Create).