How To Fix FKKBIX380 - No function module found for billing function &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 380

• Message text: No function module found for billing function &1

What causes this issue?

The system could not find a function module for billing function &v1&.

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?

Add the necessary data to table TFK8065R.

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 FKKBIX380 - No function module found for billing function &1 ?

  The SAP error message FKKBIX380 indicates that the system is unable to find a function module associated with a specific billing function. This can occur in various scenarios, particularly when dealing with billing documents or invoicing processes in SAP.
  Cause:
  
  Missing Function Module: The function module that is supposed to handle the specified billing function is not available in the system. This could be due to a missing implementation or a configuration issue.
  Incorrect Configuration: The billing function may not be correctly configured in the system, leading to the inability to locate the corresponding function module.
  Transport Issues: If the system has recently undergone a transport of changes, the function module may not have been transported correctly.
  Custom Development: If there are custom developments involved, the function module may not have been created or activated properly.
  
  Solution:
  
  Check Function Module: Verify if the function module exists in the system. You can do this by using transaction SE37 (Function Builder) and searching for the function module associated with the billing function.
  Review Configuration: Go to the configuration settings for billing in the relevant customizing transaction (e.g., SPRO) and ensure that the billing function is correctly configured.
  Transport Requests: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported successfully. If not, you may need to re-transport the missing function module.
  Custom Code Review: If there is custom code involved, review the code to ensure that the function module is correctly defined and activated.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve the issue.
  Debugging: If you have access to debugging tools, you can set breakpoints to trace where the error occurs and gather more information about the context in which the function module is being called.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SPRO (Customizing).
  SAP Notes: Always check for relevant SAP Notes that may provide additional insights or solutions for this error.
  Documentation: Review SAP documentation related to billing processes and function modules to understand the expected behavior and configuration.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.