How To Fix FKKBIX308 - Incorrect call of function module &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 308

• Message text: Incorrect call of function module &1

What causes this issue?

Call of function module with errors &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?

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 FKKBIX308 - Incorrect call of function module &1 ?

  The SAP error message FKKBIX308, which states "Incorrect call of function module &1," typically indicates that there is an issue with how a specific function module is being called within the SAP system. This error can arise from various reasons, including incorrect parameters, improper sequence of calls, or issues with the function module itself.
  Causes:
  
  Incorrect Parameters: The function module may be called with incorrect or missing parameters. Each function module has specific input and output parameters that must be adhered to.
  Sequence of Calls: Some function modules need to be called in a specific order. If the sequence is incorrect, it can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to execute the function module.
  Configuration Issues: There may be configuration settings that are not properly set up, leading to the function module not being able to execute correctly.
  Custom Code: If there is custom code that calls the function module, it may not be implemented correctly.
  
  Solutions:
  
  Check Parameters: Review the parameters being passed to the function module. Ensure that they match the expected input and output types as defined in the function module documentation.
  Review Call Sequence: Ensure that the function module is being called in the correct sequence as required by the business logic or SAP documentation.
  Authorization Check: Verify that the user has the necessary authorizations to execute the function module. This can be done by checking the user roles and authorizations in the SAP system.
  Debugging: Use the SAP debugger to step through the code and identify where the error occurs. This can help pinpoint the exact issue with the function call.
  Consult Documentation: Refer to the SAP documentation for the specific function module to understand its requirements and constraints.
  Check for Notes: Look for SAP Notes related to the function module in the SAP Support Portal. There may be known issues or patches available.
  Contact SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Function Module Documentation: You can access the documentation for the specific function module by using transaction SE37 (Function Builder) and entering the function module name.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator) and SE11 (Data Dictionary) for further investigation.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  
  By following these steps, you should be able to diagnose and resolve the FKKBIX308 error in your SAP system.