Message type: E = Error
Message class:  FKK_SEPA - FI-CA: SEPA Mandate Management 
Message number: 023
Message text: Bank details of business partner &1 not required for contract account &2
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The SAP error message FKK_SEPA023 indicates that the bank details of a business partner are not required for a specific contract account. This error typically arises in the context of the SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) modules, particularly when dealing with SEPA (Single Euro Payments Area) transactions.
Cause: Configuration Settings: The contract account may be configured in such a way that it does not require bank details for processing payments. This could be due to the account type or the payment method assigned to the account. Business Partner Settings: The business partner associated with the contract account may not have bank details maintained, or the settings for the business partner may indicate that bank details are not necessary. Payment Method: The payment method assigned to the contract account may not require bank details (e.g., cash payments, direct debit not applicable). Contract Account Type: Certain types of contract accounts (like
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