Message type: E = Error
Message class:  67_LOAN_PAY - Loans Management: Messages for Payments 
Message number: 006
Message text: Payment currency &1 differs from the currency of the available amount &2
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The SAP error message 67_LOAN_PAY006 indicates that there is a mismatch between the payment currency specified for a loan payment and the currency of the available amount in the system. This typically occurs in the context of loan management or financial transactions where the currency used for the payment does not match the currency of the funds available for that payment.
Cause: Currency Mismatch: The payment currency you are trying to use for the loan payment is different from the currency in which the available amount is recorded.
Configuration Issues: There may be configuration settings in the loan management module that do not align with the currencies being used. Data Entry Errors: Incorrect data entry when creating the payment or loan record can lead to this error. Exchange Rate Issues: If there are exchange rates set up incorrectly or not maintained, it can lead to discrepancies in currency conversion.
Solution: Check Payment Currency: Verify the payment currency
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