Business Partner Upgrade FAQ

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Symptom
This note tries to answer questions on the SAP business partner that may have come-up on an upgrade to SAP_ABA 5.0A and higher releases:
1. Is table BUT001 obsolete?
The table BUT001 is obsolete from SAP_ABA release 5.0A and higher. It is now possible to maintain multiple identification and industry sector information for a [...]

Error R1 228 while adding IBAN details to business partner

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Symptom
Duplicate checks for IBAN details are available at PAI level. So the duplicate check at FCODE event is unnecessary.
Other terms
BUT0BK, IBAN, LBUD0F01, okcode_bkiban, R1 228, R1228, Bank details &1 &2 &3 in the validity period are not unique, BUP_BUPA_EVENT_FCODE, bup500_pai
Reason and Prerequisites
The function module BUP_BUPA_EVENT_FCODE is called before the bank PAI. But this [...]