How To Fix CNV_MBT_46492 - Error in ALV refresh table display

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 492

• Message text: Error in ALV refresh table display

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46492 - Error in ALV refresh table display ?

  The SAP error message CNV_MBT_46492 typically indicates an issue with the ALV (ABAP List Viewer) display in the context of a data migration or conversion process. This error can occur during the execution of a migration project, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error can be caused by several factors, including:
  
  Data Inconsistencies: There may be inconsistencies or issues with the data being processed, which can prevent the ALV from refreshing correctly.
  Buffer Issues: The ALV display may be trying to access data that is not available in the buffer or has been modified.
  Configuration Issues: There may be configuration problems in the migration settings or the ALV display settings.
  Performance Issues: If the system is under heavy load, it may not be able to refresh the ALV display in a timely manner.
  
  Solution:
  To resolve the CNV_MBT_46492 error, you can try the following steps:
  
  Check Data Consistency: Review the data being processed for any inconsistencies or errors. Ensure that all required fields are populated and that there are no invalid entries.
  Refresh the ALV Display: Try refreshing the ALV display manually. This can sometimes resolve temporary display issues.
  Clear Buffer: If the issue is related to buffer problems, you can try clearing the buffer or restarting the transaction to see if that resolves the issue.
  Review Configuration: Check the configuration settings for the migration project and the ALV display. Ensure that all settings are correct and that there are no missing parameters.
  Check System Performance: Monitor the system performance to ensure that it is not overloaded. If necessary, perform the migration during off-peak hours to reduce load.
  Update SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that can resolve known issues.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance. They may have additional insights or solutions based on the specific context of your implementation.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE38 (ABAP Editor) or SE80 (Object Navigator) for debugging purposes.
  SAP Notes: Regularly check the SAP Support Portal for any notes related to the CNV_MBT_46492 error or general ALV display issues.
  Documentation: Review the documentation for the migration tool you are using, as it may provide specific guidance on handling errors related to ALV displays.
  
  By following these steps, you should be able to diagnose and resolve the CNV_MBT_46492 error effectively.