How To Fix W8005 - Parameter error calling function &

SAP Error Message - Details

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 005

• Message text: Parameter error calling function &

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 W8005 - Parameter error calling function & ?

  SAP Error Message:
  
  W8005 Parameter error calling function &
  
  Cause:
  This warning message indicates that there is a problem with the parameters passed to a function module call in ABAP. Specifically, the parameters provided do not match the expected parameters of the function module being called. This can happen due to:
  
  Missing required parameters.
  Passing parameters with incorrect data types.
  Passing parameters in the wrong order (if using positional parameters).
  Using parameters that the function module does not expect.
  Syntax errors in the CALL FUNCTION statement.
  
  
  Solution:
  
  
  Check the Function Module Interface:
  
  Go to transaction SE37.
  Enter the function module name (the & in the message is replaced by the actual function module name in the real error).
  Review the importing, exporting, changing, and tables parameters.
  
  
  
  Verify the CALL FUNCTION Statement:
  
  In your ABAP code, check the CALL FUNCTION statement.
  Ensure that all required parameters are passed.
  Make sure the parameter names and types match exactly.
  If using positional parameters (rare in modern ABAP), switch to named parameters to avoid confusion.
  
  
  
  Check Data Types:
  
  Confirm that the data types of the variables passed match the expected types in the function module interface.
  
  
  
  Use Named Parameters:
  
  Always use named parameters in CALL FUNCTION to avoid errors related to parameter order.
  
  
  
  Debugging:
  
  Set a breakpoint before the function call.
  Check the values and types of the parameters being passed.
  Step into the function module call to see where the error occurs.
  
  
  
  Check for SAP Notes:
  
  Sometimes, this error can be caused by bugs or inconsistencies in standard SAP function modules.
  Search SAP Support Portal for notes related to the specific function module and error message.
  
  
  
  
  Related Information:
  
  Message Class: W8 (Warning messages related to function module calls)
  Message Number: 005
  This is a warning, not an error, so the program might continue but with unexpected behavior.
  Common in custom developments or enhancements where function modules are called incorrectly.
  Always prefer using CALL FUNCTION ... EXPORTING ... IMPORTING ... with named parameters.
  If the function module interface changes (e.g., after an upgrade), existing code might throw this warning.
  
  
  Example:
  Incorrect call (positional or missing parameters):
  CALL FUNCTION 'Z_MY_FUNCTION'
    EXPORTING
      param1 = lv_value1.
  If Z_MY_FUNCTION expects param1 and param2, missing param2 will cause this warning.
  Correct call:
  CALL FUNCTION 'Z_MY_FUNCTION'
    EXPORTING
      param1 = lv_value1
      param2 = lv_value2.
  
  If you provide the exact function module name and the code snippet where the call is made, I can help you pinpoint the exact issue.