3569902 - 'Target key must be different from source key' or 'An entry already exists with the same key' errors in Activity Set up bank determination

In Configuration Activity 'Set up bank determination for payment transactions' (SSCUI 101045) setup Payment Method for different Account ID of the same House Bank and Currency. After saving the following errors occur: 

• Target key must be different from source key or
• An entry already exists with the same key

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SAP S/4HANA Cloud Public Edition

bank determination, SSCUI 101045, house bank, payment method, currency, account ID, target key, source key, same key, SV015, SV 015, SV009, SV 009 , KBA , FI-FIO-AP-2CL , Fiori UI for Accounts Payable (Public Cloud) , Problem