How To Fix CNV_MBT_09_A023 - Internal error while refreshing ALV display.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_09_A - Message class for drop-solution

• Message number: 023

• Message text: Internal error while refreshing ALV display.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_09_A023 - Internal error while refreshing ALV display. ?

  The SAP error message CNV_MBT_09_A023 indicates an internal error that occurs while refreshing the ALV (ABAP List Viewer) display in the context of a data migration or conversion process. This error is typically associated with the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Data Inconsistencies: There may be inconsistencies or issues with the data being processed, which can lead to problems when the ALV tries to refresh.
  Memory Issues: Insufficient memory or resources allocated to the ALV display can cause internal errors.
  Custom Code: If there are custom enhancements or modifications in the ALV display logic, they may not be compatible with the current data or system state.
  System Bugs: There may be bugs in the SAP system or the specific version you are using that lead to this error.
  
  Solution:
  To resolve the error, you can try the following steps:
  
  
  Check Data Consistency: Ensure that the data being processed is consistent and does not contain any errors. You may need to run data validation checks or use transaction codes like SE11 or SE16 to inspect the data.
  
  
  Increase Memory Allocation: If the issue is related to memory, consider increasing the memory allocation for the ALV display or the overall SAP system.
  
  
  Review Custom Code: If there are any custom enhancements or modifications, review them for compatibility with the current version of SAP and the data being processed. You may need to debug the custom code to identify any issues.
  
  
  Update SAP System: Ensure that your SAP system is up to date with the latest support packages and patches. Sometimes, these errors are resolved in newer versions.
  
  
  Check SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any logs or screenshots.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator), SE37 (Function Module), and ST22 (Dump Analysis) to help diagnose the issue.
  ALV Documentation: Review SAP documentation related to ALV and data migration processes for best practices and troubleshooting tips.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.