How To Fix TW019 - No memory for space allocation (&)

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 019

• Message text: No memory for space allocation (&)

What causes this issue?

R3trans was terminated because there was not enough main memory
available.

System Response

R3trans terminates.

How to fix this error?

Either perform the transport at a quieter time, or repeat it on another
computer.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TW019 - No memory for space allocation (&) ?

  The SAP error message TW019, which states "No memory for space allocation (&)," typically indicates that the system has run out of memory resources to allocate for a specific operation or process. This can occur in various contexts, such as when trying to execute a program, load a transaction, or perform a data-intensive operation.
  Causes:
  
  Insufficient Memory Allocation: The SAP system may not have enough memory allocated to handle the current workload.
  Memory Leaks: Certain programs or transactions may have memory leaks, consuming more memory over time without releasing it.
  High Workload: A sudden spike in workload or concurrent users can lead to memory exhaustion.
  Configuration Issues: Incorrect configuration settings for memory parameters in the SAP system can lead to inadequate memory availability.
  Database Issues: If the database server is under heavy load or has insufficient resources, it can affect the overall memory availability for SAP.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Review and adjust the memory parameters in the SAP profile (e.g., abap/heap_area_total, abap/heap_area_dia, abap/heap_area_nondia).
  Increase the instance memory settings in the SAP kernel parameters.
  
  
  
  Monitor and Optimize Memory Usage:
  
  Use transaction codes like ST02 (Tune Summary) and ST03 (Workload Analysis) to monitor memory usage and identify any bottlenecks.
  Analyze the memory consumption of specific transactions or programs to identify potential memory leaks.
  
  
  
  Restart the SAP Instance:
  
  If the issue persists, consider restarting the SAP instance to clear memory and reset the state.
  
  
  
  Check for Background Jobs:
  
  Review background jobs that may be consuming excessive memory and adjust their scheduling or resource allocation.
  
  
  
  Database Optimization:
  
  Ensure that the database is properly tuned and has sufficient resources. This may involve optimizing queries, indexing, or increasing database memory settings.
  
  
  
  Upgrade Hardware:
  
  If the system consistently runs out of memory, consider upgrading the hardware resources (RAM) of the server hosting the SAP system.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or patches that address memory-related issues.
  
  
  
  Related Information:
  
  Transaction Codes: ST02, ST03, SM50, SM66 (for monitoring processes), and SM21 (for system logs).
  SAP Memory Management: Understanding how SAP manages memory can help in troubleshooting. Familiarize yourself with the different memory areas (e.g., heap memory, roll memory).
  SAP Basis Team: Collaborate with your SAP Basis team for deeper analysis and configuration changes.
  
  If the problem persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.