M8709 - Inconsistent cash discount data, negative values not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 709

• Message text: Inconsistent cash discount data, negative values not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M8709 - Inconsistent cash discount data, negative values not allowed ?

  The SAP error message M8709, which states "Inconsistent cash discount data, negative values not allowed," typically occurs during the processing of invoices or when posting accounting documents that involve cash discounts. This error indicates that there is an inconsistency in the cash discount data, particularly when negative values are present where they are not permitted.
  Cause:
  
  
  Negative Cash Discount Values: The most common cause of this error is the presence of negative cash discount values in the document. SAP does not allow negative cash discounts in certain contexts, as they can lead to inconsistencies in financial reporting and calculations.
  
  
  Incorrect Configuration: The configuration settings for cash discounts in the SAP system may not be set up correctly, leading to inconsistencies when processing transactions.
  
  
  Data Entry Errors: Manual data entry errors during invoice creation or posting can lead to incorrect cash discount values being entered.
  
  
  Document Type Issues: Certain document types may have restrictions on cash discount handling, leading to this error if the document type does not support the cash discount configuration.
  
  
  Solution:
  
  
  Review Cash Discount Values: Check the invoice or accounting document for any negative cash discount values. Ensure that all cash discounts are entered as positive values.
  
  
  Correct Configuration: If the issue is related to configuration, review the cash discount settings in the SAP system. This may involve checking the following:
  
  Configuration of cash discount terms in the financial settings.
  Validation rules for cash discounts in the relevant document types.
  
  
  
  Data Entry Verification: Ensure that all data entries are correct and conform to the expected formats. If necessary, re-enter the document with the correct cash discount values.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on cash discount handling and configuration.
  
  
  Testing: After making corrections, test the transaction again to ensure that the error does not reoccur.
  
  
  Consult with SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They can provide insights based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to cash discounts, such as FB60 (Enter Incoming Invoice) or FB70 (Enter Outgoing Invoice), to understand where the error may be occurring.
  User Exits and BAdIs: If custom logic is implemented in your SAP system, check for any user exits or BAdIs that may affect cash discount processing.
  
  By following these steps, you should be able to identify and resolve the cause of the M8709 error in your SAP system.