How To Fix SWF_RUN546 - Enqueue due to internal error failed

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_RUN - Workflow Runtime System

• Message number: 546

• Message text: Enqueue due to internal error failed

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 SWF_RUN546 - Enqueue due to internal error failed ?

  The SAP error message SWF_RUN546 indicates that there was an issue with the enqueue mechanism in the SAP system, which is typically related to locking objects. This error can occur during workflow execution when the system is unable to acquire the necessary locks due to an internal error.
  Causes:
  
  Database Lock Issues: The enqueue server may be unable to lock the required objects due to database issues or contention with other processes.
  System Resource Limitations: Insufficient system resources (like memory or CPU) can lead to failures in the enqueue mechanism.
  Configuration Errors: Incorrect configuration of the enqueue server or related components can lead to this error.
  Software Bugs: There may be bugs in the SAP software that cause the enqueue mechanism to fail under certain conditions.
  Network Issues: Problems with network connectivity between application servers and the enqueue server can also lead to this error.
  
  Solutions:
  
  Check System Logs: Review the system logs (transaction SM21) and enqueue logs (transaction SM12) for any related error messages that can provide more context.
  Restart Enqueue Server: If the enqueue server is unresponsive, restarting it may resolve the issue. This can be done through transaction SM51 or by using the appropriate operating system commands.
  Check for Lock Entries: Use transaction SM12 to check for any lock entries that may be causing contention. If necessary, you can delete stale or unnecessary locks.
  Review Configuration: Ensure that the configuration of the enqueue server and related components is correct. This includes checking the instance profile settings.
  Monitor System Resources: Use transaction ST02 (buffer management) and ST06 (OS monitoring) to check for resource bottlenecks. If resources are low, consider optimizing or upgrading your hardware.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), SM12 (Lock Entries), SM51 (List of Instances), ST02 (Tune Summary), and ST06 (Operating System Monitor).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to workflow and enqueue mechanisms for a deeper understanding of how they function and how to troubleshoot issues.
  
  By following these steps, you should be able to diagnose and potentially resolve the SWF_RUN546 error in your SAP system.