Extend Product for Custom set type using CRMXIF_PRODUCT_MATERIAL_SAVE

Hello,

I am trying to extend product material saved in CRM with custom attribute field. For this I am using CRMXIF_PRODUCT_MATERIAL_SAVE. I am entering the custom settype id and custom attribute id and its value on CUSTOMER_SET_DATA.

But in RETURN table I get error as The settype ID ZXXXXXX could not be found in Bdoc structure.

Can anyone guide me how can I upload Z attribute for Custom set type in Product Master (COMMPR01).

I have do it using the above function module only. BDC is not applicable.

Thanks in advance.

Madhura