How To Fix SY218 - No memory available (internal &)

SAP Error Message - Details

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 218

• Message text: No memory available (internal &)

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 SY218 - No memory available (internal &) ?

  The SAP error message SY218, which indicates "No memory available (internal &)," typically arises when the SAP system runs out of memory resources. This can occur due to various reasons, such as insufficient memory allocation, memory leaks, or excessive load on the system.
  Causes:
  
  Insufficient Memory Allocation: The SAP instance may not have enough memory allocated to handle the current workload.
  Memory Leaks: Certain programs or transactions may not be releasing memory properly, leading to gradual depletion of available memory.
  High Workload: A sudden increase in user activity or background jobs can consume available memory quickly.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to inefficient memory usage.
  Large Data Processing: Processing large datasets or complex reports can require more memory than is available.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Adjust the instance profile parameters to allocate more memory to the SAP instance. Key parameters include abap/heap_area_dia, abap/heap_area_nondia, and abap/heap_area_total.
  Restart the SAP instance after making changes to the profile.
  
  
  
  Monitor and Optimize Memory Usage:
  
  Use transaction codes like ST02 (Tune Summary) and ST03 (Workload Analysis) to monitor memory usage and identify bottlenecks.
  Analyze memory consumption patterns and optimize ABAP programs or background jobs that are consuming excessive memory.
  
  
  
  Check for Memory Leaks:
  
  Use transaction ST22 (Dump Analysis) to check for short dumps related to memory issues.
  Review custom code and third-party add-ons for potential memory leaks.
  
  
  
  Limit Concurrent Processes:
  
  If the system is under heavy load, consider limiting the number of concurrent users or background jobs to reduce memory consumption.
  
  
  
  Upgrade Hardware:
  
  If the system consistently runs out of memory, consider upgrading the server hardware to provide more RAM.
  
  
  
  Database Optimization:
  
  Ensure that the database is optimized and that there are no locks or long-running queries that could be consuming resources.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning for specific recommendations and patches.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have faced similar issues.
  Documentation: Refer to SAP's official documentation on memory management and performance tuning for best practices.
  
  By addressing the underlying causes and implementing the suggested solutions, you can resolve the SY218 error and improve the overall performance of your SAP system.