How To Fix CM_EHFND_FW_CALC_ENG124 - Variable "&1" is not in the list of recognized input arguments of "&2"

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_FW_CALC_ENG - Common ACE Calculation Engine Exception Class

• Message number: 124

• Message text: Variable "&1" is not in the list of recognized input arguments of "&2"

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_EHFND_FW_CALC_ENG124 - Variable "&1" is not in the list of recognized input arguments of "&2" ?

  The SAP error message CM_EHFND_FW_CALC_ENG124 indicates that there is an issue with a variable that is being used in a calculation or function module. Specifically, the error states that the variable &1 is not recognized as a valid input argument for the function or calculation identified by &2. 
  Cause
  This error typically arises due to one of the following reasons:
  
  Typographical Error: The variable name may have been misspelled or incorrectly referenced in the calculation logic.
  Variable Not Defined: The variable may not have been defined or initialized in the context where it is being used.
  Incorrect Function Module: The function module or calculation logic being called may not accept the variable as an input argument.
  Version Mismatch: If there are changes in the function module or calculation logic (e.g., due to an upgrade), the expected input arguments may have changed.
  Contextual Issues: The variable may be valid in one context but not in another, such as being used in a different scope or context where it is not recognized.
  
  Solution
  To resolve this error, you can take the following steps:
  
  Check Variable Name: Verify that the variable name &1 is spelled correctly and matches the expected input argument in the function or calculation.
  Define the Variable: Ensure that the variable is properly defined and initialized before it is used in the calculation.
  Review Function Module: Check the documentation or definition of the function module or calculation to confirm the expected input arguments. Make sure that &1 is indeed a valid argument for &2.
  Debugging: Use debugging tools in SAP to trace the execution and see where the variable is being set or passed. This can help identify if the variable is being lost or not set correctly.
  Consult Documentation: If the error is related to a specific SAP module or enhancement, consult the relevant SAP documentation or notes for any changes or updates that may affect the input arguments.
  Check for Upgrades: If the system has recently been upgraded, check for any changes in the function modules or calculations that may have affected the input arguments.
  
  Related Information
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error message or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Function Module Documentation: Review the documentation for the specific function module or calculation being used to understand its input requirements.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.