How To Fix KB128 - The column width is set to the default value

SAP Error Message - Details

• Message type: E = Error

• Message class: KB - Controlling: Reporting

• Message number: 128

• Message text: The column width is set to the default value

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KB128 - The column width is set to the default value ?

  The SAP error message KB128, which states "The column width is set to the default value," typically occurs in the context of SAP's reporting tools, particularly when dealing with ALV (ABAP List Viewer) reports or similar output formats. This message indicates that the column width for a report or output has reverted to its default settings, which may not be suitable for the data being displayed.
  Cause:
  
  User Settings: The user may not have saved their customized column widths, or the system may not have retained these settings due to a session timeout or other issues.
  System Configuration: The system may be configured to reset column widths to default values under certain conditions, such as when a report is executed in a different session or by a different user.
  Data Changes: If the underlying data structure changes (e.g., new fields added), the system may reset the column widths to accommodate the new layout.
  
  Solution:
  
  Adjust Column Widths Manually: Users can manually adjust the column widths in the report by dragging the column borders to the desired width. After adjusting, ensure to save the layout if the option is available.
  Save Layout: If the report allows for layout saving, make sure to save the customized layout after making adjustments. This can often be done through the "Layout" menu in the ALV report.
  Check User Settings: Verify if there are any user-specific settings that might be affecting the display. Sometimes, resetting user settings or preferences can resolve the issue.
  Consult Documentation: Refer to SAP documentation or help resources for specific instructions on saving layouts and managing column widths in the version of SAP you are using.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  Related Information:
  
  ALV Reports: Understanding how ALV reports work in SAP can help users better manage their layouts and settings.
  User Profiles: Familiarize yourself with user profile settings in SAP, as these can impact how reports are displayed and saved.
  SAP Notes: Check SAP Notes for any updates or fixes related to this error message, as SAP frequently releases patches and updates that may address such issues.
  
  By following these steps, users can typically resolve the KB128 error and ensure their reports display data in a more user-friendly manner.