How To Fix M8173 - Cash discount base is less than posting amount. Please check

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 173

• Message text: Cash discount base is less than posting amount. Please check

What causes this issue?

You have entered an amount in the <LS>Discount base</> field which
is smaller than the value in the <LS>Amount</> field.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please check your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8173 - Cash discount base is less than posting amount. Please check ?

  The SAP error message M8173, "Cash discount base is less than posting amount. Please check," typically occurs during the posting of an invoice or a payment when the cash discount base amount is not aligned with the total amount being posted. This can happen in scenarios where cash discounts are applied to invoices, and the system expects the cash discount base to be equal to or greater than the amount being posted.
  Causes:
  
  Incorrect Cash Discount Calculation: The cash discount base may have been calculated incorrectly, leading to a situation where it is less than the total amount being posted.
  Manual Entry Errors: If the amounts are entered manually, there may be a mistake in the cash discount base or the total amount.
  Configuration Issues: There may be issues with the configuration of cash discount settings in the system, such as the discount percentage or the conditions under which discounts are applied.
  Document Type Settings: The document type used for the posting may not be configured correctly to handle cash discounts.
  Incomplete Data: Required fields for cash discount processing may not be filled out correctly, leading to discrepancies.
  
  Solutions:
  
  Verify Cash Discount Base: Check the cash discount base amount in the document and ensure it is correct and greater than or equal to the posting amount.
  Review Manual Entries: If the amounts were entered manually, double-check for any typographical errors or miscalculations.
  Check Configuration: Review the configuration settings for cash discounts in the SAP system. Ensure that the discount percentage and conditions are set up correctly.
  Document Type Review: Ensure that the document type being used for the posting is configured to allow cash discounts.
  Consult SAP Documentation: Refer to SAP documentation or help resources for specific guidance on cash discount settings and troubleshooting.
  Test with Different Scenarios: If possible, try posting with different amounts or scenarios to see if the error persists, which can help isolate the issue.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FB60 (Enter Incoming Invoice) or F-53 (Post Outgoing Payment) to replicate the issue.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates/patches that could resolve the issue.
  User Roles and Permissions: Ensure that the user has the necessary permissions to post transactions involving cash discounts.
  Testing in Development Environment: If you have access to a development or testing environment, try replicating the issue there to avoid impacting production data.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in financial accounting within SAP.