How To Fix RT123 - Method dispatcher &1 already running for segment &2

RT123 - Overview

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 123

• Message text: Method dispatcher &1 already running for segment &2

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message RT123 - Method dispatcher &1 already running for segment &2 ?

  The SAP error message RT123, which states "Method dispatcher &1 already running for segment &2," typically indicates that there is an issue with the method dispatcher in the context of a specific segment in SAP. This error can occur in various scenarios, particularly when dealing with asynchronous processing or parallel processing in SAP systems.
  
  Cause:
  
  Concurrent Execution: The error usually arises when there is an attempt to start a method dispatcher for a segment that is already being processed. This can happen if multiple requests are trying to execute the same method for the same segment simultaneously.
  Locking Issues: There may be locking mechanisms in place that prevent the method from being executed again until the first execution is completed.
  
  Configuration Issues: Incorrect configuration of the method dispatcher or the segments can lead to this error.
  Long-Running Processes: If a previous execution of the method is taking longer than expected, it may block subsequent executions.
  
  
  Solution:
  
  Check