How To Fix CNV_MBT_DEX088 - Exception export_buffer_no_memory occured while exporting table &

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_DEX - DMIS Data Extract related messages

• Message number: 088

• Message text: Exception export_buffer_no_memory occured while exporting table &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_DEX088 - Exception export_buffer_no_memory occured while exporting table & ?

  The SAP error message CNV_MBT_DEX088 Exception export_buffer_no_memory occurred while exporting table & typically indicates that there is insufficient memory available for the export operation of a specific table during a data migration or conversion process. This error is often encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer processes.
  Causes:
  
  Insufficient Memory Allocation: The system may not have enough memory allocated for the export operation, which can happen if the dataset is large or if the system is under heavy load.
  Large Data Volume: The table being exported may contain a large volume of data, exceeding the memory limits set for the export process.
  System Configuration: The SAP system may not be optimally configured for handling large data exports, leading to memory issues.
  Background Job Limitations: If the export is running as a background job, it may be subject to memory limits that are lower than those available in the foreground.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Check and increase the memory settings in the SAP system. This can be done by adjusting the parameters in the instance profile (e.g., abap/heap_area_dia, abap/heap_area_nondia).
  Consider increasing the rdisp/PG_MAXFS parameter, which controls the maximum size of the memory for the program.
  
  
  
  Optimize Data Export:
  
  If possible, break down the export into smaller chunks. This can be done by filtering the data or exporting in batches.
  Use selection criteria to limit the amount of data being exported at one time.
  
  
  
  Check System Load:
  
  Monitor the system load and performance. If the system is under heavy load, consider scheduling the export during off-peak hours.
  
  
  
  Use Alternative Methods:
  
  If the standard export method continues to fail, consider using alternative data migration tools or methods that may handle large datasets more efficiently.
  
  
  
  Review Logs and Traces:
  
  Check the system logs (transaction SM21) and developer traces (transaction ST22) for additional information that may provide insights into the memory issue.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error or provide patches and updates that could resolve the issue.
  
  
  
  Related Information:
  
  SAP Documentation: Review the official SAP documentation for data migration and conversion processes to understand best practices and memory requirements.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Monitoring Tools: Utilize SAP's monitoring tools (like ST03N) to analyze system performance and memory usage during the export process.
  
  If the problem persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.