How To Fix CA_TTE683 - Tax calc. based on gross price is unavailable for ext. tax calculation

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 683

• Message text: Tax calc. based on gross price is unavailable for ext. tax calculation

What causes this issue?

For the US and Canada, tax rates are dependent on jurisdiction and
consequently price lists comprise net prices.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter the net price as stated on the invoice.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CA_TTE683 - Tax calc. based on gross price is unavailable for ext. tax calculation ?

  The SAP error message CA_TTE683 indicates that the tax calculation based on the gross price is unavailable for external tax calculation. This typically occurs in scenarios where the system is configured to use an external tax calculation service (like SAP Concur, Vertex, or others) but the necessary settings or data are not properly configured.
  Cause:
  
  Configuration Issues: The external tax calculation service may not be properly configured in the SAP system.
  Missing Master Data: Required master data (like tax codes, tax rates, or customer/vendor data) may be missing or incorrectly set up.
  Incompatibility: The external tax calculation service may not support gross price calculations for certain transactions or conditions.
  Transaction Type: The transaction type being processed may not be compatible with the external tax calculation method being used.
  
  Solution:
  
  
  Check Configuration:
  
  Verify the configuration settings for the external tax calculation in the SAP system. Ensure that the integration with the external tax service is correctly set up.
  Check the settings in the transaction code OBYZ (for tax codes) and ensure that the tax calculation method is set to allow gross price calculations.
  
  
  
  Review Master Data:
  
  Ensure that all relevant master data is correctly maintained. This includes customer/vendor master records, material master records, and any relevant tax codes.
  Check if the tax codes used in the transaction are valid and correctly assigned.
  
  
  
  Consult Documentation:
  
  Review the documentation for the external tax calculation service to ensure that it supports gross price calculations and that you are using it correctly.
  
  
  
  Test with Different Scenarios:
  
  Try processing the transaction with different conditions or transaction types to see if the error persists. This can help identify if the issue is specific to certain scenarios.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support or the support team for the external tax calculation service for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYZ for tax code configuration, SPRO for general configuration, and SE80 for checking custom developments.
  SAP Notes: Search for SAP Notes related to CA_TTE683 for any known issues or patches that may address the problem.
  Documentation: Review the documentation for the specific external tax calculation service you are using to understand its requirements and limitations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.