BRF103 - Expression &1 belongs to cat.&2. Only Boolean expressions (B) permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 103

• Message text: Expression &1 belongs to cat.&2. Only Boolean expressions (B) permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BRF103 - Expression &1 belongs to cat.&2. Only Boolean expressions (B) permitted ?

  The SAP error message BRF103 indicates that there is an issue with the type of expression being used in a Business Rule Framework (BRF) decision table or rule. Specifically, the error states that the expression you are trying to use belongs to a category that is not compatible with the expected type. In this case, only Boolean expressions (category B) are permitted.
  Cause:
  
  Incorrect Expression Type: The expression you are trying to use is not a Boolean expression. It may belong to a different category, such as numeric or string expressions.
  Misconfiguration: There may be a misconfiguration in the decision table or rule where the expected expression type does not match the actual expression type.
  Rule Logic Error: The logic defined in the rule may be incorrectly set up, leading to the use of an inappropriate expression type.
  
  Solution:
  
  Check Expression Type: Review the expression that is causing the error. Ensure that it is a Boolean expression. Boolean expressions typically evaluate to true or false.
  Modify the Expression: If the expression is not Boolean, modify it to ensure it evaluates to a Boolean value. This may involve using comparison operators or logical operators that yield true or false results.
  Review Decision Table/Rule Configuration: Go through the configuration of the decision table or rule to ensure that all expressions are correctly categorized and that the logic aligns with the expected input types.
  Test the Rule: After making changes, test the rule to ensure that it behaves as expected and that the error no longer occurs.
  
  Related Information:
  
  BRF+ Documentation: Refer to the official SAP documentation for BRF+ to understand the different expression types and how to configure them correctly.
  SAP Community: Engage with the SAP Community forums to seek advice from other users who may have encountered similar issues.
  Debugging Tools: Utilize debugging tools within SAP to trace the execution of the rule and identify where the type mismatch occurs.
  
  By following these steps, you should be able to resolve the BRF103 error and ensure that your expressions are correctly configured for the intended logic.