3681973 - Error message "Bank details ID XX does not exist for business partner YY" during IR Instrument Creation - SAP S/4HANA Cloud Public Edition

When creating an IR instrument via the Manage Financial Transactions app, the error message "Bank details ID XX does not exist for business partner YY" will pop up.

SAP S/4HANA Cloud Public Edition

When Alternative Payer/Payee is enabled, the real payer/payee (in the 'payment' section of payment details) should be the Alt. Payer/Payee, instead of the Counterparty.

1. Go to the app "Maintain Business Partner" and enter the value "Payer/Payee".
2. Choose the "Display in BP Role" as "Counterparty".
3. Click the tab "Company Code" on the top of screen. 
4. Click the tab "Switch Between Display and Change".
5. In the tab "SI: Payment Details", change the Payer/Payee from "Payer/Payee" to "Alternative Payer/Payee".

Manage Financial Transaction, IR instrument, Alt.Payer/Payee, Payer/Payee, Maintain Business Partner, Bank details, Not exist , KBA , FIN-FSCM-TRM-TM-2CL , Transaction Management (Public Cloud) , Problem