How To Fix BRF141 - Same category expressions of the WHEN lines have different lengths

SAP Error Message - Details

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 141

• Message text: Same category expressions of the WHEN lines have different lengths

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• What is the cause and solution for SAP error message BRF141 - Same category expressions of the WHEN lines have different lengths ?

  The SAP error message BRF141, which states "Same category expressions of the WHEN lines have different lengths," typically occurs in the context of Business Rule Framework (BRF+) when defining rules. This error indicates that there is a mismatch in the lengths of the expressions being evaluated in the WHEN conditions of a rule.
  Cause:
  The error arises when you have multiple WHEN conditions in a rule that are supposed to evaluate the same category (or type) of data, but the expressions used in these conditions have different lengths. For example, if you are comparing strings or arrays, they must be of the same length for the evaluation to be valid.
  Solution:
  To resolve this error, you should:
  
  
  Check the Expressions: Review the WHEN conditions in your rule. Ensure that all expressions that belong to the same category have the same length. If you are comparing strings, make sure they are of the same character length. If you are working with arrays or lists, ensure they have the same number of elements.
  
  
  Modify the Conditions: If you find that the lengths are different, you may need to adjust the expressions. This could involve:
  
  Trimming strings to a common length.
  Padding shorter strings with spaces or other characters.
  Ensuring that arrays or lists have the same number of elements.
  
  
  
  Use Consistent Data Types: Ensure that the data types being compared are consistent. For example, if you are comparing numeric values, make sure they are all integers or all floats, as appropriate.
  
  
  Test the Rule: After making the necessary adjustments, test the rule again to ensure that the error is resolved.
  
  
  Related Information:
  
  BRF+ Documentation: Refer to the official SAP documentation for BRF+ for more detailed information on how to define rules and handle expressions.
  Debugging Tools: Utilize the debugging tools available in SAP to step through the rule evaluation process and identify where the mismatch occurs.
  Community Forums: If you continue to face issues, consider reaching out to SAP community forums or support for additional assistance.
  
  By ensuring that all expressions in the WHEN conditions are consistent in length and type, you should be able to resolve the BRF141 error effectively.