PP-PI: Total target qty not shoen in PP-PI order cost analysis

Dear experts,

I am searching for the reason why some materials are not shown in PP-PI order cost analysis.

I enter PP order ang use Goto / costs / analysis:

I guess I missed somthing within material master or BOM.

FYI: This material shall not be shown with costs. So in accounting view material is maintained with 0,01 EUR per 99.999.

Many thanks in advance

Best regards

Patrick