How To Fix 5D768 - Constant is not allowed for tax obligation & / tax class &

SAP Error Message - Details

• Message type: E = Error

• Message class: 5D - Error Messages for German Infotype Module Pools

• Message number: 768

• Message text: Constant is not allowed for tax obligation & / tax class &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5D768 - Constant is not allowed for tax obligation & / tax class & ?

  The SAP error message 5D768 indicates that there is an issue with the configuration of tax obligations and tax classes in the system. This error typically arises when a constant value is incorrectly used in a context where a variable or a specific tax class is expected.
  Cause:
  
  Incorrect Configuration: The error often occurs due to incorrect settings in the tax configuration, particularly in the tax determination procedure.
  Use of Constants: The system expects a variable or a specific tax class but finds a constant value instead, which is not allowed in this context.
  Missing Tax Class: The tax class or obligation may not be defined properly in the system, leading to the inability to process the tax calculation correctly.
  
  Solution:
  
  
  Check Tax Configuration:
  
  Go to the transaction code SPRO and navigate to the tax configuration settings.
  Ensure that the tax classes and obligations are correctly defined and that no constants are being used where variables are expected.
  
  
  
  Review Tax Determination Procedure:
  
  Check the tax determination procedure to ensure that it is set up correctly.
  Make sure that the tax classes are assigned properly to the relevant tax obligations.
  
  
  
  Adjust Tax Class Settings:
  
  If you find that a constant is being used, replace it with the appropriate tax class or variable.
  Ensure that all necessary tax classes are created and assigned to the relevant master data (e.g., customer/vendor master records).
  
  
  
  Testing:
  
  After making the necessary changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help notes related to tax configuration for additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SPRO: Customizing Implementation Guide
  OB40: Maintain Tax Codes for Sales and Purchases
  OBYZ: Assign Tax Codes to Tax Categories
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  If the problem persists after following these steps, it may be beneficial to consult with an SAP functional consultant who specializes in tax configuration for further assistance.