How To Fix AC289 - Incorrect parameters assigned to the function module.

SAP Error Message - Details

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 289

• Message text: Incorrect parameters assigned to the function module.

What causes this issue?

The function module for copying the account allocation was called
incorrectly, due to one of the following:
You did not enter a chart of accounts to be copied.
You did not enter a new chart of accounts.
You entered identical charts of accounts (From = To).

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?

Check your entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AC289 - Incorrect parameters assigned to the function module. ?

  The SAP error message AC289, which states "Incorrect parameters assigned to the function module," typically occurs when there is a mismatch between the parameters expected by a function module and the parameters that are actually being passed to it. This can happen in various scenarios, such as during the execution of a program, report, or transaction that calls a function module.
  Causes:
  
  Parameter Mismatch: The parameters being passed to the function module do not match the expected types, number, or order.
  Data Type Issues: The data types of the parameters do not align with what the function module expects (e.g., passing a string where a numeric value is expected).
  Missing Parameters: Required parameters are not being passed to the function module.
  Incorrect Function Module Call: The function module may be called incorrectly, either in terms of syntax or logic.
  Changes in Function Module: If the function module has been modified (e.g., by an upgrade or a developer), the calling program may not be updated accordingly.
  
  Solutions:
  
  Check Function Module Documentation: Review the documentation for the function module to understand the expected parameters, their types, and their order.
  Debugging: Use the SAP debugger to step through the code and inspect the parameters being passed to the function module. This can help identify any discrepancies.
  Parameter Validation: Ensure that all parameters being passed are of the correct type and format. Convert or cast parameters as necessary.
  Update Calling Code: If the function module has changed, update the calling code to match the new signature of the function module.
  Consult SAP Notes: Check for any relevant SAP Notes that might address known issues with the function module or provide guidance on its usage.
  Testing: Create a simple test program that calls the function module with known good parameters to verify that the function module itself is working correctly.
  
  Related Information:
  
  Function Module Name: Identify the specific function module that is causing the error. This can often be found in the error message details or logs.
  Transaction Codes: Use transaction codes like SE37 (Function Builder) to view and analyze the function module.
  SAP Community: Engage with the SAP Community or forums for additional insights or similar experiences from other users.
  SAP Support: If the issue persists and cannot be resolved, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the AC289 error in your SAP environment.