How To Fix PLMN_BO001 - Network &1 is locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PLMN_BO - Message class for PLMN_BO

• Message number: 001

• Message text: Network &1 is 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.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message PLMN_BO001 - Network &1 is locked by user &2 ?

  The SAP error message PLMN_BO001 indicates that a specific network (identified by &1) is locked by a user (identified by &2). This typically occurs in the context of network planning or management within SAP systems, particularly in modules related to logistics or production planning.
  Cause:
  The error occurs when a user attempts to access or modify a network that is currently locked by another user. This locking mechanism is in place to prevent concurrent modifications that could lead to data inconsistencies or conflicts.
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Identify the Locking User: Check who is currently locking the network. The error message provides the user ID (&2) that has locked the network.
  
  
  Contact the Locking User: If possible, reach out to the user who has locked the network to understand why it is locked and if they can release it.
  
  
  Wait for Release: If the locking user is performing a legitimate operation, you may need to wait until they complete their task and release the lock.
  
  
  Unlock the Network: If the locking user is unavailable or if the lock is no longer needed, a system administrator can unlock the network. This can typically be done using transaction codes like SM12 (to view and delete locks) or SM21 (to check system logs).
  
  
  Check for Background Jobs: Sometimes, background jobs may also lock resources. Check if there are any running jobs that might be holding the lock.
  
  
  Review System Configuration: If this issue occurs frequently, it may be worth reviewing the system configuration and user roles to ensure that locking mechanisms are functioning as intended.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  SE11: To check the data dictionary for the relevant tables if needed.
  
  
  
  Documentation: Refer to SAP documentation or help resources for more detailed information on network management and locking mechanisms.
  
  
  User Training: Ensure that users are trained on how to properly manage locks and understand the implications of locking resources in the system.
  
  
  By following these steps, you should be able to resolve the PLMN_BO001 error and continue with your work in the SAP system.