How To Fix BRF185 - General error in comparison operation "&1" in expression "&2"

BRF185 - Overview

• Message type: E = Error

• Message class: BRF - Messages for Business Rule Framework

• Message number: 185

• Message text: General error in comparison operation "&1" in expression "&2"

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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BRF185 - Details

• The SAP error message BRF185, which states "General error in comparison operation '&1' in expression '&2'," typically occurs in the context of Business Rule Framework (BRF+) when there is an issue with a comparison operation defined in a rule expression. This error can arise due to various reasons, including data type mismatches, invalid values, or incorrect logic in the expression.
  Causes:
  
  Data Type Mismatch: The operands being compared may not be of compatible data types. For example, comparing a string with a number can lead to this error.
  Invalid Values: One or both of the values being compared may be null or not initialized properly.
  Incorrect Logic: The expression may contain logical errors or syntax issues that prevent it from being evaluated correctly.
  Unsupported Operations: The comparison operation being used may not be supported in the context of the BRF+ expression.
  
  Solutions:
  
  Check Data Types: Ensure that the data types of the operands being compared are compatible.