How To Fix ACM_SYNTAX177 - REPLACING CONDITIONS can be used at most once for each of VOID/TRUE/FALSE


SAP Error Message - Details

  • Message type: E = Error

  • Message class: ACM_SYNTAX - ACM: DCL Syntax Error Messages

  • Message number: 177

  • Message text: REPLACING CONDITIONS can be used at most once for each of VOID/TRUE/FALSE

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Smart SAP Assistant

  • What is the cause and solution for SAP error message ACM_SYNTAX177 - REPLACING CONDITIONS can be used at most once for each of VOID/TRUE/FALSE ?

    The SAP error message ACM_SYNTAX177, which states "REPLACING CONDITIONS can be used at most once for each of VOID/TRUE/FALSE," typically occurs in the context of ABAP programming, particularly when dealing with conditions in a replacement or evaluation context.

    Cause:

    This error arises when you attempt to use the REPLACING CONDITIONS statement more than once for the same condition type (VOID, TRUE, or FALSE) within a single context. In ABAP, the REPLACING CONDITIONS statement is used to define how certain conditions should be handled, and each condition type can only be defined once in a given context.

    Solution:

    To resolve this error, you should:

    1. Review Your Code: Check the section of your code where you are using the REPLACING CONDITIONS statement. Look for multiple definitions of the same condition type (VOID, TRUE, FALSE).

    2. Consolidate Conditions: If you find that you have multiple REPLACING CONDITIONS statements for the same condition type, consolidate them into a single statement. Ensure that you are only defining each condition type once.

    3. Refactor Logic: If your logic requires different handling for the same condition type, consider refactoring your code to separate the logic into different contexts or use alternative approaches to achieve the desired outcome.

    Example:

    Here’s a simplified example to illustrate the issue:

    DATA: lv_value TYPE i.
    
    REPLACING CONDITIONS
      VOID   = 'No Value'
      TRUE   = 'Value Exists'
      FALSE  = 'Value Does Not Exist'.
    
    " This will cause ACM_SYNTAX177 if you try to define the same conditions again
    REPLACING CONDITIONS
      VOID   = 'Another No Value'.  " This will trigger the error

    Related Information:

    • Documentation: Refer to the official SAP documentation for ABAP programming to understand the syntax and usage of REPLACING CONDITIONS.
    • Debugging: Use the ABAP debugger to step through your code and identify where the conflicting conditions are defined.
    • SAP Community: Engage with the SAP Community forums for additional insights and examples from other developers who may have encountered similar issues.

    By following these steps, you should be able to resolve the ACM_SYNTAX177 error and ensure that your ABAP code runs smoothly.

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