How To Fix CNV_10940_MSG102 - Error while displaying ALV grid

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10940_MSG - Message Class for Report Variant Scan

• Message number: 102

• Message text: Error while displaying ALV grid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10940_MSG102 - Error while displaying ALV grid ?

  The SAP error message CNV_10940_MSG102 typically occurs when there is an issue with displaying an ALV (ABAP List Viewer) grid. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the ALV grid itself.
  Causes:
  
  Data Issues: The underlying data being displayed in the ALV grid may have inconsistencies or errors that prevent it from being rendered correctly.
  Field Catalog Problems: The field catalog used to define the structure of the ALV grid may be incorrectly defined or missing required fields.
  Authorization Issues: The user may not have the necessary authorizations to view the data being displayed in the ALV grid.
  Technical Issues: There may be technical issues with the ALV function modules or the way the ALV grid is being called in the ABAP program.
  Memory Issues: Insufficient memory or resources on the application server can also lead to this error.
  
  Solutions:
  
  Check Data Consistency: Verify the data being displayed in the ALV grid. Ensure that there are no inconsistencies or errors in the data source.
  Review Field Catalog: Ensure that the field catalog is correctly defined and includes all necessary fields. Check for any missing or incorrectly defined fields.
  Authorization Check: Ensure that the user has the necessary authorizations to access the data. You can check this using transaction SU53 after the error occurs.
  Debugging: Use the ABAP debugger to step through the code where the ALV grid is being generated. Look for any runtime errors or exceptions that may provide more context about the issue.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be known issues that have been resolved in later versions.
  Memory Management: If memory issues are suspected, consider optimizing the program to reduce memory consumption or check the application server's memory settings.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like SE38 (ABAP Editor) to check the program code or SE80 (Object Navigator) to analyze the ALV implementation.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  ALV Documentation: Review the official SAP documentation on ALV grids for best practices and common pitfalls.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or ABAP development team for further assistance.