Message type: E = Error
Message class:  FZ - Payment Transactions 
Message number: 395
Message text: Document & & &: Partner bank category changed by BTE 00001820 to &
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The SAP error message FZ395 indicates that there has been a change in the partner bank category during the processing of a financial document, specifically due to a Business Transaction Event (BTE) with the identifier 00001820. This message typically arises in the context of payment processing or bank-related transactions in SAP.
Cause: The error occurs when the system detects that the partner bank category for a specific document has been altered by a BTE. This can happen for several reasons, including: Custom Logic: A custom implementation of BTE 00001820 may have been created that modifies the partner bank category based on certain conditions or business rules. Configuration Changes: Changes in the configuration of bank master data or payment methods that affect how partner banks are determined. Data Inconsistencies: Inconsistencies in the master data of the vendor or customer that could lead to a different partner bank category being assigned.
Solution: To resolve this error, you can take
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