How To Fix CA_TTE207 - External Mapping of Tax Type '&1' is not unique (Country &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 207

• Message text: External Mapping of Tax Type '&1' is not unique (Country &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CA_TTE207 - External Mapping of Tax Type '&1' is not unique (Country &2) ?

  The SAP error message CA_TTE207 indicates that there is an issue with the external mapping of a tax type in the system. Specifically, it means that the tax type you are trying to use is not uniquely mapped for the specified country. This can occur in scenarios where multiple mappings exist for the same tax type, leading to ambiguity in tax determination.
  Cause:
  
  Duplicate Entries: There are multiple entries in the tax mapping table for the same tax type and country combination.
  Configuration Errors: Incorrect configuration in the tax determination settings or mapping tables.
  Data Migration Issues: If data was migrated from another system, it may have resulted in duplicate mappings.
  
  Solution:
  
  
  Check Tax Mapping Configuration:
  
  Go to the transaction code OB40 (or the relevant transaction for your version) to check the tax type mapping.
  Look for entries related to the tax type (&1) and country (&2).
  Ensure that there is only one unique mapping for the specified tax type and country.
  
  
  
  Remove Duplicates:
  
  If you find duplicate entries, you will need to remove or consolidate them to ensure that each tax type has a unique mapping for the country in question.
  
  
  
  Review Customizations:
  
  If there are customizations or enhancements in place, review them to ensure they are not causing the duplication.
  
  
  
  Testing:
  
  After making changes, perform tests to ensure that the tax determination works correctly without errors.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to tax configuration for additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  OB40 - Maintain Tax Type Mapping
  OBYZ - Maintain Tax Codes
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on tax type mapping.
  Support: If the issue persists after checking the configuration, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the CA_TTE207 error and ensure that your tax type mappings are correctly configured.