How To Fix FS890 - Tax event & has not been assigned an RFC function to for ext. system

FS890 - Overview

• Message type: E = Error

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

• Message number: 890

• Message text: Tax event & has not been assigned an RFC function to for ext. 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 FS890 - Tax event & has not been assigned an RFC function to for ext. system ?

  The SAP error message FS890 indicates that a tax event has not been assigned an RFC (Remote Function Call) function for an external system. This typically occurs in the context of tax calculation processes where SAP needs to communicate with an external tax service or system.
  
  Cause:
  
  Missing Configuration: The error usually arises when the necessary configuration for the tax event in question has not been set up in the SAP system. This could mean that the system does not know which RFC function to call for the specific tax event.
  Incorrect Mapping: The mapping between the tax event and the corresponding RFC function may be incorrect or missing.
  External System Issues: There may be issues with the external tax system itself, such as it being down or not properly configured to receive requests from SAP.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for tax calculation in your SAP system. This is usually found in the