How To Fix /SCWM/MFS090 - Unable to lock handling unit &1 while determining warehouse task

/SCWM/MFS090 - Overview

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 090

• Message text: Unable to lock handling unit &1 while determining warehouse task

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFS090 - Unable to lock handling unit &1 while determining warehouse task ?

  The SAP error message /SCWM/MFS090 Unable to lock handling unit &1 while determining warehouse task typically occurs in the context of the SAP Extended Warehouse Management (EWM) system, particularly when dealing with handling units (HUs) and warehouse tasks (WTs). This error indicates that the system is unable to lock a specific handling unit (identified by &1) while trying to create or determine a warehouse task.
  Causes:
  
  Concurrent Access: The handling unit may be locked by another process or user. This can happen if multiple users or processes are trying to access or modify the same handling unit simultaneously.
  System Configuration: There may be issues with the configuration of the warehouse management system, such as incorrect settings for handling unit management or warehouse task creation.
  Database Locking: The database may have a lock on the handling unit due to a long-running transaction or a deadlock situation.
  Incomplete Transactions: If a previous transaction involving the handling unit