Diagnosis
The BOM you want to allocate to plant &V1& contains BOM item &V2& as anon-stock item.
In the plant where the BOM was created, the pipeline processingobligatory indicator is entered for the material type of thiscomponent. In plant &V1&, this indicator is not entered for thismaterial type, so you see this message.

Procedure
Check whether purchasing data is complete for the component in plantV1.