How To Fix UJT_EXCEPTION051 - Environment &1 is currently locked by user &2 for export/import

SAP Error Message - Details

• Message type: E = Error

• Message class: UJT_EXCEPTION - BPC: Transports Message Class

• Message number: 051

• Message text: Environment &1 is currently locked by user &2 for export/import

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 UJT_EXCEPTION051 - Environment &1 is currently locked by user &2 for export/import ?

  The SAP error message UJT_EXCEPTION051 indicates that a specific environment (denoted as &1) is currently locked by another user (denoted as &2) for export or import operations. This typically occurs in the context of SAP Landscape Management or when working with SAP Transport Management System (TMS) and can prevent you from performing certain actions until the lock is released.
  
  Cause:
  
  Concurrent Operations: Another user is currently performing an export or import operation on the same environment, which leads to a lock being placed on that environment.
  Session Timeout: Sometimes, a session may not release the lock properly due to a timeout or an unexpected termination of the process.
  System Configuration: The system may be configured to prevent multiple users from accessing the same environment simultaneously for data integrity reasons.
  
  
  Solution:
  
  Wait for Completion: The simplest solution is to wait until the other user completes their operation. You can check with the user (if known) to find