BP creation via CREAMAS IDoc is not creating Vendor / Company code / Purchasing data

Hello All

We are sending a CREMAS06 IDoc from ECC to Hana for creation of BP. We need the vendor number to get populated in the Vendor general tab (external vendor number) , the company code details (e.g AKONT) and purchasing information (e.g, currency = USD) to be populated for FLVN01 and FLVN00 roles.

The account group for BP is linked to the Vendor account group.

All customizing settings are in place as per KBA 229042.

But when the IDoc gets posted and we check the BP transaction, the general role details are created like name1, search term etc, but when we select the roles - FLVN01 / FLVN00 (in change mode) and go to Company code and purchasing screens, no information gets populated there.

Can you please advise how we can overcome this issue/workaround to get these fields populated in the BP transaction / any bapi/fm to populate these fields.

Thanks in advance!