How To Fix LM077 - Error while generating sort information for ALV

SAP Error Message - Details

• Message type: E = Error

• Message class: LM - Treasury: Limit Management

• Message number: 077

• Message text: Error while generating sort information for ALV

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LM077 - Error while generating sort information for ALV ?

  The SAP error message LM077 ("Error while generating sort information for ALV") typically occurs when there is an issue with the data being processed for an ALV (ABAP List Viewer) report. This error can arise due to various reasons, including data inconsistencies, issues with the field definitions, or problems with the ALV configuration.
  Causes:
  
  Data Inconsistencies: The data being processed may contain inconsistencies or invalid entries that prevent the ALV from generating the sort information.
  Field Definitions: There may be issues with the field definitions in the ALV layout or the data structure being used.
  Memory Issues: Insufficient memory or resources available for processing large datasets can lead to this error.
  Incorrect ALV Configuration: If the ALV is not configured correctly, it may lead to errors during sorting or displaying data.
  Data Type Mismatches: If the data types of the fields being sorted do not match the expected types, it can cause this error.
  
  Solutions:
  
  Check Data Consistency: Review the data being processed to ensure there are no inconsistencies or invalid entries. You can use transaction codes like SE16 or SE11 to inspect the underlying tables.
  Review Field Definitions: Ensure that the field definitions in the ALV layout match the data structure. Check for any discrepancies in field types or lengths.
  Optimize Memory Usage: If the dataset is large, consider optimizing the report to reduce memory usage. This can include limiting the number of records processed or using pagination.
  Reconfigure ALV Settings: Review the ALV configuration settings to ensure they are set up correctly. This includes checking the layout, field catalog, and sorting options.
  Debugging: If the issue persists, consider debugging the ALV report to identify the exact point of failure. Use transaction SE80 or SE38 to analyze the code and identify any potential issues.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to ALV.
  
  Related Information:
  
  ALV Documentation: Refer to SAP documentation on ALV for best practices and guidelines on configuring and using ALV reports.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.