How To Fix /SCWM/SERIAL066 - Delivery items could not be locked

/SCWM/SERIAL066 - Overview

• Message type: E = Error

• Message class: /SCWM/SERIAL -

• Message number: 066

• Message text: Delivery items could not be locked

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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/SCWM/SERIAL066 - Details

• The SAP error message /SCWM/SERIAL066 indicates that the system was unable to lock delivery items during a process, typically related to warehouse management or handling unit management in SAP Extended Warehouse Management (EWM). This error can occur for various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Concurrent Access: Another user or process may be accessing the same delivery items, preventing the system from locking them for your transaction.
  System Performance Issues: High system load or performance issues can lead to timeouts or failures in locking mechanisms.
  
  Configuration Issues: Incorrect configuration in the warehouse management settings or in the handling unit management can lead to locking issues.
  Database Locks: There may be database locks on the relevant tables that prevent the system from obtaining the necessary locks.
  Incomplete Transactions: Previous transactions that were not completed properly may leave items in a locked state.
  
  Solutions:
  
  Check for Concurrent Users: Verify if other users are working