How To Fix FS863 - System error in the external tax system (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: FS - Messages from Tax Routines / Prenumbered Checks

• Message number: 863

• Message text: System error in the external tax system (&)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FS863 - System error in the external tax system (&) ?

  The SAP error message FS863, which indicates a "System error in the external tax system," typically arises when there is an issue with the integration between SAP and the external tax calculation system. This error can occur in various scenarios, such as during the processing of invoices, tax calculations, or when posting financial documents.
  Causes:
  
  Configuration Issues: Incorrect configuration settings in the external tax system or in the SAP system can lead to communication problems.
  Network Issues: Connectivity problems between SAP and the external tax system can cause this error.
  Data Issues: Invalid or incomplete data being sent to the external tax system can trigger errors.
  External System Downtime: The external tax system may be down or undergoing maintenance.
  Version Compatibility: Incompatibility between the versions of SAP and the external tax system can lead to errors.
  Authorization Issues: Lack of proper authorizations for the user or system to access the external tax system.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in both SAP and the external tax system to ensure they are correctly set up.
  Network Connectivity: Verify that there are no network issues preventing communication between SAP and the external tax system.
  Data Validation: Ensure that the data being sent to the external tax system is valid and complete. Check for any missing or incorrect fields.
  System Status: Check the status of the external tax system to ensure it is operational and not undergoing maintenance.
  Update Versions: Ensure that both SAP and the external tax system are running compatible versions. If necessary, update to the latest versions.
  Authorization Check: Verify that the user or system has the necessary authorizations to access the external tax system.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the FS863 error. SAP frequently releases updates that may address specific issues.
  Logs and Traces: Review system logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  Support: If the issue persists, consider reaching out to SAP support or the support team for the external tax system for further assistance.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the FS863 error in your SAP environment.