How To Fix LM079 - Error while generating ALV list

SAP Error Message - Details

• Message type: E = Error

• Message class: LM - Treasury: Limit Management

• Message number: 079

• Message text: Error while generating ALV list

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LM079 - Error while generating ALV list ?

  The SAP error message LM079, which states "Error while generating ALV list," typically occurs when there is an issue with the generation of an ALV (ABAP List Viewer) report. This can happen for various reasons, including data inconsistencies, configuration issues, or problems with the underlying ABAP code.
  Causes of LM079 Error
  
  
  Data Issues: There may be inconsistencies or issues with the data being processed. This could include missing or incorrect data in the database tables that the report is trying to access.
  
  
  Configuration Problems: The ALV report may not be properly configured. This could involve issues with the layout, field definitions, or other settings.
  
  
  ABAP Code Errors: There may be bugs or errors in the ABAP code that generates the ALV report. This could include syntax errors, logical errors, or issues with the data retrieval logic.
  
  
  Memory Issues: If the report is trying to process a large amount of data, it may run into memory limitations, causing the ALV generation to fail.
  
  
  Authorization Issues: The user executing the report may not have the necessary authorizations to access certain data or execute specific functions.
  
  
  Solutions to LM079 Error
  
  
  Check Data Consistency: Verify the data being used in the report. Ensure that all required fields are populated and that there are no inconsistencies in the data.
  
  
  Review Configuration: Check the configuration settings for the ALV report. Ensure that all necessary parameters and layouts are correctly set up.
  
  
  Debug ABAP Code: If you have access to the ABAP code, use the debugger to step through the code and identify where the error occurs. Look for any logical errors or exceptions that may be raised.
  
  
  Increase Memory Limits: If the report is processing a large dataset, consider increasing the memory limits for the user session or optimizing the report to handle data more efficiently.
  
  
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the report and access the required data.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address known issues related to the LM079 error.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for further assistance.
  
  
  Related Information
  
  
  ALV Reports: ALV is a powerful tool in SAP for displaying data in a user-friendly format. Understanding how ALV works and its configuration options can help in troubleshooting issues.
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE38 (ABAP Editor), SE80 (Object Navigator), and others that may help in debugging and analyzing the report.
  
  
  Performance Tuning: If memory issues are common, consider performance tuning techniques for your ABAP programs, such as using efficient data retrieval methods and minimizing data processing in loops.
  
  
  By following these steps, you should be able to diagnose and resolve the LM079 error effectively.