How To Fix WM249 - Function blocked, already started by user &

WM249 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 249

• Message text: Function blocked, already started by user &

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 WM249 - Function blocked, already started by user & ?

  The SAP error message WM249 ("Function blocked, already started by user") typically occurs in the Warehouse Management (WM) module when a user attempts to perform an action that is already in progress by the same user. This is a safety feature in SAP to prevent data inconsistencies and conflicts that can arise from multiple processes being executed simultaneously by the same user.
  
  Cause:
  
  Concurrent Process: The user is trying to execute a transaction or function that is already being processed in the background. For example, if a user has initiated a transfer order and tries to start another transfer order before the first one is completed.
  Session Management: The user may have multiple sessions open, and the action is being processed in one of those sessions.
  Lock Mechanism: SAP uses a locking mechanism to ensure data integrity. If a user has locked a particular function or transaction, other attempts to access that function will