Dear Satya
please check first the two existing documents:
Bill of Substance –Bill of material (BOSBOM)
Coming back to your screen; PAY attention. Refer to first document. we have now more than one "BOM BOS" interface in place. I assume you refer to EHS classic one.
Make sure that you have read the corresponding EHS BOMBOS Customizing (C1L0... represents the "classical" BOM BOS); the first FM: i do not know, the third one: could by the FM used by SPRC
check your environment parameter-"PROF001" must exists (as default usage); you should not use the BOMBOS_COMP as shown by you. The "main" idea of BOM BOS Is.
Using one BOM create one BOS; but here you have llsted twice the3 same VAT and then a third VAT => this is clearly wrong in my opinion; onyl one VAT is allowed (but by using the "additional exits" you can create "addon BOS" in different VAT if needed
Sorry. No OSS note existing that I am aware of (a OSS conslting note as with SDS shipment) to help in BOM BOS set up
Depending on your scenario (please check SAP Online help !)
a.) REAL_SUB has assigned material
b.) or REAL_UB does not have assigned materia
Story is different. BOM BOS interface wasn't discussed in 2015 (if I remember correct)
C.B.
PS: there are as well threads existing outside of SCN. e.g. http://www.webnetta.com/bombos-interface-warning-message-after-changes-saved-in-the-bom/
PPS: these links could be of interest: