How To Fix CRM_TAX128 - Product Tax Group &1 not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_TAX - CRM Tax Calculation Output

• Message number: 128

• Message text: Product Tax Group &1 not defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_TAX128 - Product Tax Group &1 not defined ?

  The SAP error message CRM_TAX128 indicates that a product tax group is not defined for a specific product or material in the system. This error typically arises when the system attempts to calculate taxes for a transaction involving a product that lacks the necessary tax classification.
  Cause:
  
  Missing Tax Group Definition: The product or material does not have a tax group assigned in the system.
  Incorrect Configuration: The tax configuration in the system may not be set up correctly, leading to the absence of a tax group for certain products.
  Data Inconsistency: There may be inconsistencies in the master data, such as missing or incorrect entries in the product master or tax classification.
  
  Solution:
  
  
  Define Product Tax Group:
  
  Go to the product master data (transaction code: MM02 for materials).
  Check the "Sales Org. Data" or "General Plant Data" views, depending on the product type.
  Ensure that the "Tax Classification" field is filled with the appropriate tax group.
  
  
  
  Maintain Tax Classification:
  
  Navigate to the transaction for maintaining tax classifications (transaction code: OBYZ for tax codes).
  Ensure that the tax codes and tax groups are correctly defined and assigned to the relevant products.
  
  
  
  Check Tax Configuration:
  
  Review the tax configuration settings in the system (transaction code: SPRO).
  Ensure that the tax determination procedure is correctly set up and that the necessary tax groups are defined.
  
  
  
  Data Consistency Check:
  
  Run a consistency check on the master data to identify any discrepancies or missing information.
  Correct any inconsistencies found during the check.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on tax configuration and product master data management.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM02: Change Material Master
  OBYZ: Maintain Tax Codes
  SPRO: Customizing Implementation Guide
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to tax configuration or the CRM_TAX128 error.
  User Roles: Ensure that the user has the necessary authorizations to make changes to product master data and tax configurations.
  
  By following these steps, you should be able to resolve the CRM_TAX128 error and ensure that the product tax groups are correctly defined in your SAP system.