How To Fix BXX105 - Function module &1 has &2 importing parameter but only one is allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: BXX - ALE Group Messages for the Generating Tool

• Message number: 105

• Message text: Function module &1 has &2 importing parameter but only one is allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BXX105 - Function module &1 has &2 importing parameter but only one is allowed ?

  The SAP error message BXX105 indicates that a function module is being called with an incorrect number of importing parameters. Specifically, the error states that the function module has a certain number of importing parameters (denoted by &2), but only one is allowed. This typically occurs when the function module is designed to accept only a single importing parameter, but the calling program is attempting to pass multiple parameters.
  Cause:
  
  Incorrect Function Module Call: The calling program is trying to pass more than one importing parameter to a function module that is designed to accept only one.
  Misunderstanding of Function Module Interface: The developer may not have fully understood the interface of the function module, leading to an incorrect number of parameters being passed.
  Changes in Function Module: If the function module was modified to accept fewer parameters, but the calling program was not updated accordingly, this error can occur.
  
  Solution:
  
  Review Function Module Documentation: Check the documentation of the function module to understand its parameters and ensure that you are passing the correct number of parameters.
  Modify the Calling Program: Adjust the code in the calling program to ensure that only one importing parameter is passed to the function module. This may involve:
  
  Removing any additional parameters that are not needed.
  Combining multiple values into a single parameter if applicable.
  
  
  Test the Changes: After making the necessary adjustments, test the program to ensure that it now calls the function module correctly without triggering the error.
  
  Related Information:
  
  Function Module Interface: You can view the interface of the function module in transaction SE37 (Function Builder) by entering the function module name and checking the parameters.
  Debugging: If you are unsure where the error is occurring, you can use the debugger to step through the code and see the parameters being passed to the function module.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance related to the specific function module you are using.
  
  By following these steps, you should be able to resolve the BXX105 error and ensure that your function module calls are correctly structured.