How To Fix SAPLWOSL098 - Invalid call of function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SAPLWOSL - Store WB: IAC Consumer Order, Items

• Message number: 098

• Message text: Invalid call of function module &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAPLWOSL098 - Invalid call of function module &1 ?

  The SAP error message SAPLWOSL098: Invalid call of function module &1 typically indicates that there is an issue with the way a function module is being called in the ABAP code. This error can arise due to several reasons, including:
  Causes:
  
  Incorrect Function Module Name: The function module name specified in the call may be incorrect or misspelled.
  Function Module Not Active: The function module may not be activated or may not exist in the system.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected parameters in terms of type or number.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  Context Issues: The function module may be called in an inappropriate context or from a place where it is not allowed.
  
  Solutions:
  
  Check Function Module Name: Verify that the function module name is correct and exists in the system. You can do this by using transaction SE37 (Function Builder) to search for the function module.
  Activate Function Module: If the function module is not active, activate it in SE37.
  Review Parameters: Check the parameters being passed to the function module. Ensure that they match the expected input and output parameters in terms of type and number.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after the error occurs.
  Debugging: If the issue persists, consider debugging the ABAP code to trace where the function module is being called and what parameters are being passed.
  Consult Documentation: Review the documentation for the function module to understand its usage and requirements.
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Module Builder
  SE80: Object Navigator (to check the program or function module)
  SU53: Authorization Check
  
  
  ABAP Debugger: Use the ABAP debugger to step through the code and identify the exact point of failure.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional context.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.