How To Fix 14006 - No free block found; ABAP session terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: 14 - Task handler messages

• Message number: 006

• Message text: No free block found; ABAP session terminated

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 14006 - No free block found; ABAP session terminated ?

  The SAP error message "14006 No free block found; ABAP session terminated" typically indicates that the ABAP runtime environment has run out of memory or that there are no available memory blocks to allocate for the current session. This can happen due to various reasons, including memory leaks, excessive memory consumption by the program, or configuration issues.
  Causes:
  
  Memory Leaks: If a program or transaction is not properly releasing memory, it can lead to exhaustion of available memory.
  High Memory Consumption: Some transactions or programs may require more memory than is available, especially if they are processing large datasets.
  Configuration Issues: The SAP system may not be configured to allocate enough memory for ABAP programs.
  System Limits: The underlying operating system or database may impose limits on memory usage that can affect the SAP system.
  
  Solutions:
  
  Check Memory Usage: Use transaction codes like SM04 (User Overview) or SM50 (Process Overview) to monitor memory usage by users and processes. Identify any processes that are consuming excessive memory.
  Optimize ABAP Code: Review the ABAP code for inefficiencies or memory leaks. Ensure that internal tables and other data structures are properly managed and released when no longer needed.
  Increase Memory Allocation: Adjust the memory settings in the SAP profile parameters. Key parameters to consider include:
  
  abap/heap_area_dia: This parameter controls the heap memory for dialog work processes.
  abap/heap_area_nondia: This parameter controls the heap memory for non-dialog work processes.
  abap/heap_area_total: This parameter sets the total heap memory available for the ABAP runtime.
  
  
  Check System Configuration: Ensure that the SAP system is configured correctly for the hardware and operating system it is running on. This includes checking the database and OS-level memory settings.
  Restart the Application Server: If the issue persists, restarting the application server may help to clear up memory and resolve temporary issues.
  Monitor and Analyze: Use tools like ST02 (Tune Summary) to analyze memory usage and identify potential bottlenecks or areas for improvement.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error. SAP frequently updates its knowledge base with solutions for common problems.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Performance Tuning: Consider conducting a performance tuning exercise to optimize the overall performance of the SAP system, which may help alleviate memory-related issues.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.