How To Fix PRJ_CIF_LOG452 - Network &1 is currently locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PRJ_CIF_LOG - CIF Application Log Messages for Networks

• Message number: 452

• Message text: Network &1 is currently locked by user &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PRJ_CIF_LOG452 - Network &1 is currently locked by user &2 ?

  The SAP error message PRJ_CIF_LOG452 indicates that a network (or project network) is currently locked by a specific user, which prevents other users from making changes to it. This is a common issue in SAP systems, particularly in environments where multiple users are working on the same project or network.
  Cause:
  The error occurs when:
  
  A user has opened a project network for editing, and the system locks it to prevent concurrent modifications that could lead to data inconsistencies.
  The user who has locked the network may have left the session open or may not have properly released the lock after completing their work.
  The lock could also be due to a system error or an unexpected termination of a session.
  
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Identify the User: Check which user has locked the network. The error message provides the user ID (denoted as &2).
  
  
  Contact the User: If possible, contact the user who has the lock and ask them to release it. They can do this by closing their session or saving and exiting the transaction.
  
  
  Use Transaction SM12: If the user is unavailable or cannot release the lock:
  
  Go to transaction code SM12 (Lock Entries).
  Enter the user ID and the object type related to the network (you may need to know the specific object type).
  Execute the search to find the lock entries.
  If appropriate, you can delete the lock entry. However, be cautious with this step, as it may lead to data inconsistencies if the user is still working on the network.
  
  
  
  Check for System Issues: If the lock persists and you cannot identify the user, there may be a system issue. In this case, consult your SAP Basis team to investigate further.
  
  
  Review Lock Management: Consider reviewing your organization's lock management practices to minimize the occurrence of such locks in the future. This may include training users on proper session management or implementing policies for handling long-running transactions.
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting similar issues. Locks are typically managed at the database level to ensure data integrity.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage lock entries) and SM21 (to check system logs for errors).
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to project networks and locking mechanisms.
  
  By following these steps, you should be able to resolve the PRJ_CIF_LOG452 error and restore access to the locked network.