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

CA_TTE199 - Overview

• 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