How To Fix DS528 - Unable to compare list headers


DS528 - Overview

  • Message type: E = Error

  • Message class: DS - Messages for Editing Text Elements in ABAP Programs

  • Message number: 528

  • Message text: Unable to compare list headers

  • Show details Hide details
  • What causes this issue?

    Comparison of text elements is only possible for:
    1. Text symbols
    - text symbols in the load form of the program are compared with
    the text symbols in the text pool.
    2. Selection texts
    - Selection texts in the text pool which are originally from the
    ABAP/4 Dictionary (Type DDIC) and exist in the load form of the
    program are compared with the active dictionary texts (medium
    length keyword).

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?


    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message DS528 - Unable to compare list headers ?
    The SAP error message DS528 "Unable to compare list headers" typically occurs in the context of SAP reporting or data extraction processes, particularly when there is an issue with the structure or compatibility of the data being processed. This error can arise in various scenarios, such as when using SAP Query, SAP List Viewer (ALV), or other reporting tools.
    Causes:
    
    Inconsistent Data Structures: The headers of the lists being compared may not match in terms of data types, lengths, or formats.
    Mismatched Field Names: If the field names in the data sources are different or if there are discrepancies in the naming conventions, the system may not be able to compare them.
    Data Source Issues: The underlying data sources may have changed, leading to inconsistencies in the expected structure.
    Custom Developments: If there are custom reports or enhancements, they may not be handling the data correctly, leading to this error.
    Version Compatibility: If there are differences

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