How To Fix FZ799 - > ---------- Due date determination additional log

SAP Error Message - Details

• Message type: E = Error

• Message class: FZ - Payment Transactions

• Message number: 799

• Message text: > ---------- Due date determination additional log

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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• What is the cause and solution for SAP error message FZ799 - > ---------- Due date determination additional log ?

  The SAP error message FZ799, which states "Due date determination additional log," typically occurs in the context of financial transactions, particularly when dealing with payment terms and due date calculations in SAP. This error can arise during various processes, such as invoice processing, payment processing, or when creating financial documents.
  Cause:
  The error message FZ799 indicates that there is an issue with the due date determination process. Common causes include:
  
  
  Incorrect Payment Terms: The payment terms assigned to the vendor or customer may not be set up correctly, leading to issues in calculating the due date.
  
  
  Missing Configuration: There may be missing configuration settings in the financial module related to due date determination.
  
  
  Document Date Issues: The document date or posting date may not align with the payment terms, causing discrepancies in due date calculations.
  
  
  Custom Logic: If there are custom enhancements or user exits that affect due date determination, they may not be functioning as expected.
  
  
  Master Data Issues: Problems with vendor or customer master data, such as missing or incorrect information, can also lead to this error.
  
  
  Solution:
  To resolve the FZ799 error, you can take the following steps:
  
  
  Check Payment Terms: Verify that the payment terms assigned to the relevant vendor or customer are correct and properly configured in the system.
  
  
  Review Configuration: Ensure that the configuration for due date determination in the financial module is complete and correct. This can be done through the SPRO transaction in SAP.
  
  
  Examine Document Dates: Check the document date and posting date of the transaction to ensure they are set correctly and align with the payment terms.
  
  
  Analyze Custom Logic: If there are any custom enhancements or user exits related to due date determination, review the code to ensure it is functioning correctly.
  
  
  Check Master Data: Review the vendor or customer master data for any inconsistencies or missing information that could affect due date calculations.
  
  
  Consult Logs: Use the additional log provided in the error message to gain more insights into what specifically caused the error. This log may contain detailed information about the failure in due date determination.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like FB60 (Enter Incoming Invoice), F-53 (Post Outgoing Payment), or FBL1N (Vendor Line Item Display) to replicate the issue and analyze the data.
  SAP Documentation: Refer to SAP Help documentation for detailed information on payment terms and due date determination.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the FZ799 error message in SAP.