How To Fix CA_TTE663 - RFC: Calculate taxes, parameter command=find tax event

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 663

• Message text: RFC: Calculate taxes, parameter command=find tax event

What causes this issue?

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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?

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_TTE663 - RFC: Calculate taxes, parameter command=find tax event ?

  The SAP error message CA_TTE663, which states "RFC: Calculate taxes, parameter command=find tax event," typically occurs in the context of tax calculation processes within SAP systems, particularly when using the Tax Calculation Engine (TTE). This error can arise due to various reasons, and understanding the cause and potential solutions is essential for troubleshooting.
  Possible Causes:
  
  
  Configuration Issues: Incorrect configuration of tax calculation settings in the SAP system can lead to this error. This includes missing or incorrect tax codes, tax jurisdiction settings, or tax calculation rules.
  
  
  Data Issues: Incomplete or incorrect master data (such as customer or vendor data) or transactional data (like sales orders or invoices) can cause the tax calculation to fail.
  
  
  RFC Connection Problems: If the system is trying to communicate with an external tax service via Remote Function Call (RFC) and there are connectivity issues, this error may occur.
  
  
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to perform tax calculations.
  
  
  System Bugs or Limitations: There may be bugs in the SAP version being used or limitations in the tax calculation engine that lead to this error.
  
  
  Solutions:
  
  
  Check Configuration:
  
  Review the tax configuration settings in the SAP system. Ensure that all necessary tax codes, jurisdictions, and calculation rules are correctly set up.
  Use transaction codes like OBYZ (for tax codes) and OB40 (for tax determination) to verify settings.
  
  
  
  Validate Master and Transaction Data:
  
  Ensure that all relevant master data (customers, vendors, materials) is complete and accurate.
  Check the transactional data for any inconsistencies or missing information that could affect tax calculation.
  
  
  
  Test RFC Connections:
  
  If the tax calculation relies on an external service, verify that the RFC connection is correctly configured and operational. Use transaction SM59 to check the RFC destination settings.
  
  
  
  Check User Authorizations:
  
  Ensure that the user has the necessary authorizations to perform tax calculations. This can be checked using transaction SU53 after the error occurs.
  
  
  
  Review System Logs:
  
  Check the system logs for any additional error messages or warnings that could provide more context about the issue. Use transaction SLG1 to view application logs.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address known issues or bugs related to this error message.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBYZ, OB40, SM59, and SLG1 for configuration and troubleshooting.
  Documentation: Review SAP documentation related to tax calculation and the Tax Calculation Engine for best practices and configuration guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions.
  
  By systematically addressing these areas, you should be able to identify the root cause of the CA_TTE663 error and implement an appropriate solution.