How To Fix SWF_RUN665 - Workflow runtime system terminated following enqueue loss; call TA SM21

SWF_RUN665 - Overview

• Message type: E = Error

• Message class: SWF_RUN - Workflow Runtime System

• Message number: 665

• Message text: Workflow runtime system terminated following enqueue loss; call TA SM21

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

SWF_RUN665 - Details

• The SAP error message SWF_RUN665 indicates that the workflow runtime system has been terminated due to an enqueue loss. This typically occurs when there is a problem with the SAP enqueue server, which is responsible for managing locks on objects in the SAP system. When the enqueue server fails or loses its connection, it can lead to inconsistencies and the termination of workflow processes.
  
  Cause:
  
  Enqueue Server Failure: The enqueue server may have crashed or become unresponsive.
  Network Issues: There may be network connectivity problems between the application server and the enqueue server.
  Resource Limitations: The system may be running low on resources (CPU, memory, etc.), causing the enqueue server to fail.
  Database Issues: Problems with the database can also lead to enqueue loss.
  
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to enqueue server instability.
  
  
  Solution:
  
  Check SM21 Logs: As suggested in the error message, check the system log (transaction code SM21) for any