Message type: E = Error
Message class:  FM_LGD_ZAHLUNGSSICHT -  
Message number: 013
Message text: Posting reference is posted on several vendors
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The SAP error message FM_LGD_ZAHLUNGSSICHT013 indicates that a posting reference has been used for multiple vendors in a financial transaction. This typically occurs in the context of Funds Management (FM) or when dealing with payment processing in SAP, where a unique posting reference is expected for each vendor.
Cause: Duplicate Posting Reference: The posting reference you are trying to use has already been assigned to another vendor in the system. This can happen if the same reference number is mistakenly reused across different vendor transactions.
Configuration Issues: There may be configuration settings in the system that allow or restrict the use of posting references across multiple vendors. Data Entry Errors: Manual entry errors during transaction processing can lead to the same reference being assigned to different vendors.
Solution: Check Posting References: Review the posting references used in your transactions. Ensure that each vendor has a unique posting reference. Change Posting Reference: If you find that the posting
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