We transfer BOM to Builder. When in the Builder we enter some figures in the SORTF field of the Component. (drawing no). Then we change the BOM and want to transfer it again using CN33. SAP regard all items where we have entered values in this SORTF field as manually entered materials and import these items again into the Builder.
Can anyboddy explain why and where these settings can be found.
Some how SAP regard certain field as part of the unique key - and in our case SORTF is one of these