How To Fix FIN_RE_ABAP_ENG302 - Function &1 expects a constant value

SAP Error Message - Details

• Message type: E = Error

• Message class: FIN_RE_ABAP_ENG - FIN Rule Engine ABAP Engine Messages

• Message number: 302

• Message text: Function &1 expects a constant value

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FIN_RE_ABAP_ENG302 - Function &1 expects a constant value ?

  The SAP error message FIN_RE_ABAP_ENG302 indicates that a function is expecting a constant value as an input parameter, but it is receiving a variable or a non-constant value instead. This error typically occurs in ABAP programs when a function module or method is called with an argument that does not meet the expected data type or value constraints.
  Cause:
  
  Incorrect Parameter Type: The function or method you are calling is defined to accept a constant value, but you are passing a variable or a dynamic value.
  Misunderstanding of Function Requirements: The developer may not have fully understood the requirements of the function or method, leading to incorrect parameter passing.
  Code Logic Error: There may be a logical error in the code where a variable is mistakenly passed instead of a constant.
  
  Solution:
  
  Check Function Documentation: Review the documentation for the function or method to understand the expected parameters. Ensure that you are passing the correct type of value.
  Use Constant Values: If the function requires a constant, ensure that you are passing a literal value or a constant defined in your program.
  Modify the Code: If you need to pass a variable, check if the function can be modified to accept a variable instead of a constant. If not, you may need to refactor your code to comply with the function's requirements.
  Debugging: Use debugging tools to trace the values being passed to the function. This can help identify where the incorrect value is being introduced.
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for more details on function modules and their parameter requirements.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.