Message type: E = Error
Message class:  TR_AUSL - Software Delivery Composer Messages 
Message number: 268
Message text: Delivery request &1 is locked by user &2
Delivery request &V1& is being edited by user &V2& therefore has an
editor lock. Changes to the delivery request cannot be made.
The action is continues, but the system switches to display mode.
Note that changes to the delivery request made by user &V2& may lead to
invalidation of the check results displayed in front of you.
You must therefore get in contact with this user to discuss and match
your actions.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message TR_AUSL268 indicates that a delivery request is locked by a specific user. This typically occurs when a user is currently processing or has opened a delivery request, preventing other users from accessing or modifying it. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: User Lock: The delivery request is being edited or processed by another user, which locks the request for other users. Session Timeout: Sometimes, if a user has an open session that has timed out, it may still hold a lock on the delivery request. System Error: Occasionally, system errors or crashes can lead to locks not being released properly. Solutions: Wait for Release: If the user who has locked the delivery request is actively working on it, the simplest solution is to wait until they finish and release the lock. Identify the User: Use transaction code SM12 to view the list of locks in the system.
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