How To Fix CA_TTE199 - Ext. Mapping of BP Tax Group '&1' is not unique (Country &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 199

• Message text: Ext. Mapping of BP Tax Group '&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_TTE199 - Ext. Mapping of BP Tax Group '&1' is not unique (Country &2) ?

  The SAP error message CA_TTE199 indicates that there is an issue with the external mapping of the Business Partner (BP) Tax Group in the context of tax determination. Specifically, it states that the mapping for the specified tax group is not unique for the given country. This can occur in scenarios where multiple entries exist for the same tax group in the external mapping table, leading to ambiguity in tax determination.
  Cause:
  
  Duplicate Entries: There are multiple entries in the external mapping table for the same Business Partner Tax Group and Country combination.
  Configuration Issues: The configuration settings for tax determination may not be set up correctly, leading to conflicts in the mapping.
  Data Migration Issues: If data was migrated from another system, it may have resulted in duplicate or conflicting entries.
  
  Solution:
  
  
  Check External Mapping Table: 
  
  Go to the relevant transaction (e.g., BP or TAX related transactions) and check the external mapping table for the specified tax group and country.
  Identify and resolve any duplicate entries. You may need to delete or consolidate entries to ensure that each tax group is uniquely mapped to a country.
  
  
  
  Review Configuration:
  
  Ensure that the configuration for tax determination is set up correctly. This includes checking the settings in the relevant customizing transactions (e.g., SPRO).
  Verify that the tax categories and groups are correctly defined and that there are no overlaps.
  
  
  
  Data Cleanup:
  
  If the issue arose from data migration, perform a data cleanup to remove duplicates or correct the mappings.
  Use tools like SAP Data Services or LSMW for data migration to ensure data integrity.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to tax determination and external mapping for any specific guidelines or best practices.
  
  
  
  Testing:
  
  After making changes, perform testing to ensure that the tax determination process works as expected without generating the error.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like BP (Business Partner), OBD2 (Maintain Tax Categories), or OBD3 (Maintain Tax Groups) to access the relevant settings.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional guidance on tax group mapping.
  Support: If the issue persists after troubleshooting, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the CA_TTE199 error and ensure that the external mapping of the Business Partner Tax Group is unique for the specified country.