How To Fix APPL_MM_IV_MODEL126 - Sum of taxes must be positive.

SAP Error Message - Details

• Message type: E = Error

• Message class: APPL_MM_IV_MODEL -

• Message number: 126

• Message text: Sum of taxes must be positive.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message APPL_MM_IV_MODEL126 - Sum of taxes must be positive. ?

  The SAP error message APPL_MM_IV_MODEL126, which states "Sum of taxes must be positive," typically occurs during the invoice verification process in the Materials Management (MM) module. This error indicates that the system has detected an issue with the tax calculation on an invoice, where the total amount of taxes is either zero or negative, which is not acceptable.
  Causes:
  
  Incorrect Tax Code: The tax code used in the invoice may not be configured correctly, leading to a zero or negative tax amount.
  Tax Calculation Issues: There may be issues with the tax calculation logic, such as incorrect settings in the tax calculation procedure.
  Invoice Amounts: The invoice amounts may have been entered incorrectly, resulting in a situation where the tax calculation yields a negative value.
  Master Data Issues: Vendor master data or material master data may have incorrect tax information.
  Currency Issues: If there are currency conversion issues, it might lead to incorrect tax calculations.
  
  Solutions:
  
  Check Tax Code: Verify that the tax code used in the invoice is correct and that it is configured properly in the system.
  Review Invoice Amounts: Ensure that the amounts entered in the invoice are correct and that they reflect the expected values.
  Tax Configuration: Review the tax configuration in the system to ensure that the tax calculation procedure is set up correctly.
  Vendor and Material Master Data: Check the vendor and material master data for any discrepancies in tax-related fields.
  Recalculate Taxes: If applicable, try to recalculate the taxes manually or through the system to see if the issue persists.
  Consult Documentation: Refer to SAP documentation or consult with your SAP support team for specific configurations related to tax calculations.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MIRO (Invoice Verification) or FB60 (Enter Incoming Invoice) to review and correct the invoice.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or bugs related to tax calculations.
  User Exits and BAdIs: If custom logic is implemented, review any user exits or BAdIs that might affect tax calculations.
  Testing: After making changes, perform testing to ensure that the issue is resolved and that the tax calculations are now correct.
  
  If the problem persists after checking these areas, it may be beneficial to engage with your SAP support team or a consultant who specializes in SAP MM and tax configurations.