How To Fix AR129 - Tax code 1 is not valid

SAP Error Message - Details

• Message type: E = Error

• Message class: AR - SSRV function module messages

• Message number: 129

• Message text: Tax code 1 is not valid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message AR129 - Tax code 1 is not valid ?

  The SAP error message AR129, which states "Tax code 1 is not valid," typically occurs when there is an issue with the tax code configuration in the SAP system. This error can arise during various transactions, such as posting invoices or creating sales orders, where tax codes are required.
  Causes of AR129 Error
  
  Invalid Tax Code: The tax code specified in the transaction does not exist in the system or is not valid for the current transaction.
  Tax Code Configuration: The tax code may not be properly configured in the system. This includes missing settings in the tax configuration tables.
  Company Code Issues: The tax code may not be valid for the specific company code being used in the transaction.
  Date Validity: The tax code may not be valid for the date of the transaction. Tax codes can have validity periods, and if the transaction date falls outside this range, the error will occur.
  Tax Jurisdiction: If the tax code is jurisdiction-specific, it may not be applicable for the location or type of transaction being processed.
  
  Solutions to AR129 Error
  
  
  Check Tax Code: Verify that the tax code being used is valid. You can do this by checking the tax code in the SAP configuration (transaction code OBYZ) or by using transaction code FTXP to view the tax code details.
  
  
  Review Configuration: Ensure that the tax code is properly configured in the system. This includes checking the tax rates, account assignments, and any other relevant settings.
  
  
  Company Code Settings: Confirm that the tax code is assigned to the correct company code. You can check this in the tax configuration settings.
  
  
  Validate Dates: Check the validity dates of the tax code. If the transaction date is outside the valid range, you may need to adjust the date or use a different tax code.
  
  
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific guidance related to your organization's configuration.
  
  
  Testing: If changes are made to the tax code or configuration, perform a test transaction to ensure that the error is resolved.
  
  
  Related Information
  
  Transaction Codes: 
  
  OBYZ: Maintain Tax Codes
  FTXP: Maintain Tax Codes for Sales and Purchases
  OB40: Define Tax Codes for Sales Tax
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to tax codes and the AR129 error.
  User Roles: Ensure that the user has the necessary permissions to access and modify tax code settings.
  
  If the issue persists after checking these areas, it may be beneficial to engage with your SAP support team or a consultant who specializes in SAP financials and tax configurations.