How To Fix CA_TTE505 - External Tax Package is not supplied; check IPC Administrator settings

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 505

• Message text: External Tax Package is not supplied; check IPC Administrator settings

What causes this issue?

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

System Response

How to fix this error?

In the IPC Administrator, choose <ZK>Engine Parameters -> Transaction
Tax Engine</> and maintain the External Tax Package.

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_TTE505 - External Tax Package is not supplied; check IPC Administrator settings ?

  The SAP error message CA_TTE505 indicates that the External Tax Package is not supplied, and it suggests checking the IPC (Internet Pricing and Configuration) Administrator settings. This error typically arises in the context of tax calculation processes within SAP, particularly when using the SAP Convergent Charging or SAP Tax Service.
  Cause:
  
  Missing Configuration: The error often occurs when the system is not configured to use an external tax package, or the necessary settings for the external tax calculation are not properly defined.
  Incorrect IPC Settings: The IPC Administrator settings may not be correctly set up to point to the external tax package or may not have the necessary parameters configured.
  Integration Issues: There may be issues with the integration between SAP and the external tax service, such as network problems or incorrect service URLs.
  Version Compatibility: The version of the external tax package may not be compatible with the current SAP system version.
  
  Solution:
  
  
  Check IPC Administrator Settings:
  
  Access the IPC Administrator and verify that the external tax package is correctly configured.
  Ensure that the necessary parameters, such as service URLs and authentication details, are correctly set.
  
  
  
  Configure External Tax Package:
  
  If the external tax package is not configured, you may need to set it up. This involves defining the package in the SAP system and ensuring that it is activated.
  Refer to the documentation for the specific external tax package you are using for detailed configuration steps.
  
  
  
  Review Integration Settings:
  
  Check the integration settings between SAP and the external tax service. Ensure that the connection is active and that there are no firewall or network issues preventing communication.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation related to the external tax package and IPC configuration for any additional settings that may be required.
  
  
  
  Test the Configuration:
  
  After making changes, perform a test to ensure that the external tax calculation is functioning as expected.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above settings, consider reaching out to SAP support or your system administrator for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the external tax package you are using, as it may contain specific configuration guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the issue related to the CA_TTE505 error message in SAP.