How To Fix BRF659 - Conversion of expression &1 is not possible; expression is inconsistent


BRF659 - Overview

  • Message type: E = Error

  • Message class: BRF - Messages for Business Rule Framework

  • Message number: 659

  • Message text: Conversion of expression &1 is not possible; expression is inconsistent

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  • 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.

    To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

    Unfortunately, there isn't any extra information in this error notice.



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Smart SAP Assistant

  • What is the cause and solution for SAP error message BRF659 - Conversion of expression &1 is not possible; expression is inconsistent ?
    The SAP error message BRF659, which states "Conversion of expression &1 is not possible; expression is inconsistent," typically occurs in the context of Business Rule Framework (BRF+) when there is an issue with the expression or rule definition that is being evaluated. Here’s a breakdown of the potential causes, solutions, and related information for this error:
    Causes:
    
    
    Inconsistent Data Types: The expression may involve data types that are incompatible with each other. For example, trying to perform arithmetic operations on strings or using a string in a numeric context.
    
    
    Missing or Incorrect Parameters: If the expression references parameters or variables that are not defined or are incorrectly defined, it can lead to inconsistencies.
    
    
    Logical Errors in Expressions: The logic used in the expression may be flawed, such as using operators or functions that do not align with the expected input types.
    
    
    Invalid Function Calls: If the expression includes function calls that are not valid or

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