How To Fix FIN_RE_PARSER034 - Function &1 expects only &2 parameters

SAP Error Message - Details

• Message type: E = Error

• Message class: FIN_RE_PARSER - FIN Rule Engine Parser Messages

• Message number: 034

• Message text: Function &1 expects only &2 parameters

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 FIN_RE_PARSER034 - Function &1 expects only &2 parameters ?

  The SAP error message FIN_RE_PARSER034 indicates that a function is being called with an incorrect number of parameters. Specifically, the message states that the function &1 expects only &2 parameters, but it has been provided with either too many or too few.
  Cause:
  
  Incorrect Function Call: The function is being called with an incorrect number of arguments. This could be due to a programming error where the developer has not matched the expected parameters.
  Changes in Function Definition: If the function definition has changed (for example, if parameters were added or removed), and the calling code has not been updated accordingly, this error can occur.
  Configuration Issues: In some cases, configuration settings or data inconsistencies might lead to the function being invoked incorrectly.
  
  Solution:
  
  Check Function Definition: Review the function definition in the ABAP code to confirm the expected number of parameters. Ensure that the calling code matches this definition.
  Update Calling Code: If the function definition has changed, update the calling code to ensure it passes the correct number of parameters.
  Debugging: Use the SAP debugger to trace the execution and identify where the incorrect function call is being made. This can help pinpoint the exact location in the code that needs to be corrected.
  Consult Documentation: If the function is part of a standard SAP module, consult the relevant SAP documentation or notes for any changes or updates that might affect the function's parameters.
  Testing: After making changes, thoroughly test the functionality to ensure that the error is resolved and that the system behaves as expected.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function or module you are working with.
  ABAP Documentation: Review the ABAP documentation for guidelines on function calls and parameter handling.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.