How To Fix /ISDFPS/BRFPLUS018 - The result of function &1 has a type or value that is not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/BRFPLUS -

• Message number: 018

• Message text: The result of function &1 has a type or value that is not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/BRFPLUS018 - The result of function &1 has a type or value that is not permitted ?

  The SAP error message /ISDFPS/BRFPLUS018 indicates that there is an issue with the result of a function in the Business Rule Framework (BRF+) where the type or value returned is not permitted. This error typically arises in scenarios where the expected data type or value does not match the defined rules or constraints in the BRF+ application.
  Cause:
  
  Data Type Mismatch: The function is returning a data type that does not match the expected type defined in the BRF+ rule.
  Value Constraints: The returned value may fall outside the permissible range or set of values defined for that particular function or rule.
  Incorrect Function Logic: There may be a logical error in the function implementation that leads to an unexpected result.
  Configuration Issues: The configuration of the BRF+ application may not align with the expected input/output types.
  
  Solution:
  
  Check Function Definition: Review the function definition in BRF+ to ensure that the expected return type matches the actual return type. Make sure that the function is designed to return the correct data type.
  Validate Input Values: Ensure that the input values being passed to the function are valid and conform to the expected types and constraints.
  Review Value Ranges: If the function is expected to return a value within a specific range, verify that the logic correctly adheres to these constraints.
  Debugging: Use the debugging tools available in BRF+ to trace the execution of the function and identify where the mismatch occurs.
  Consult Documentation: Refer to the SAP documentation for BRF+ to understand the expected data types and constraints for the specific function you are working with.
  Testing: Create test cases to validate the function with various inputs to ensure it behaves as expected and returns the correct types and values.
  
  Related Information:
  
  BRF+ Documentation: SAP provides extensive documentation on BRF+, including guidelines on function definitions, data types, and error handling.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error message.
  Community Forums: Engage with the SAP community forums or support channels to see if others have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.