How To Fix 1E161 - Enqueue server reports internal error

SAP Error Message - Details

• Message type: E = Error

• Message class: 1E - BCA: Account

• Message number: 161

• Message text: Enqueue server reports internal error

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1E161 - Enqueue server reports internal error ?

  The SAP error message 1E161 ("Enqueue server reports internal error") typically indicates an issue with the enqueue server, which is responsible for managing locks in the SAP system. This error can arise due to various reasons, including:
  Causes:
  
  System Resource Issues: Insufficient memory or CPU resources can lead to the enqueue server failing to process requests.
  Database Issues: Problems with the underlying database, such as connectivity issues or corruption, can affect the enqueue server.
  Configuration Errors: Incorrect configuration settings in the SAP system can lead to enqueue server errors.
  Software Bugs: There may be bugs in the SAP kernel or enqueue server that cause it to fail under certain conditions.
  Network Issues: Problems with network connectivity between application servers and the enqueue server can lead to this error.
  
  Solutions:
  
  Check System Resources: Monitor the system's CPU and memory usage. If resources are low, consider increasing them or optimizing the workload.
  Review Logs: Check the SAP system logs (transaction SM21) and enqueue server logs for more detailed error messages that can provide insights into the issue.
  Restart Enqueue Server: Sometimes, simply restarting the enqueue server can resolve transient issues. This can be done through transaction SM51 or by restarting the SAP instance.
  Database Check: Ensure that the database is functioning correctly. Check for any locks or issues that may be affecting performance.
  Patch and Update: Ensure that your SAP system is up to date with the latest patches and updates. This can resolve known bugs that may be causing the error.
  Configuration Review: Review the configuration settings for the enqueue server and ensure they are set correctly.
  Network Diagnostics: If network issues are suspected, perform diagnostics to ensure that there are no connectivity problems between the application servers and the enqueue server.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM12 (to check locks), SM21 (to view system logs), and SM50 (to monitor processes) for troubleshooting.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.