How To Fix CN011 - Network & is already being processed by &

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 011

• Message text: Network & is already being processed by &

What causes this issue?

Network &V1& is currently being edited by user &V1& and is therefore
locked.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Wait until the other user has finished, or select display mode.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN011 - Network & is already being processed by & ?

  The SAP error message CN011 ("Network & is already being processed by &") typically occurs in the context of project management or network scheduling within SAP's Project System (PS) module. This error indicates that a network (or activity) is currently being processed by another user or session, which prevents the current user from making changes to it.
  Cause:
  
  Concurrent Access: The most common cause of this error is that another user is currently editing or processing the same network or activity in the system.
  Lock Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. When a user accesses a network, it is locked for editing by others until the first user completes their transaction.
  Long-running Transactions: If a transaction takes a long time to complete, it can lead to this error for other users trying to access the same network.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their transaction. You can try to access the network again after some time.
  Check Lock Entries: Use transaction code SM12 to check for lock entries. You can see which user is currently holding the lock on the network. If necessary, you can contact that user to coordinate access.
  Release Locks: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is still working on it.
  Communicate with Users: If you are in a team environment, communicate with your colleagues to ensure that only one person is working on a specific network at a time.
  Review System Performance: If this error occurs frequently, it may be worth reviewing system performance and transaction times to identify any bottlenecks.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CN22: Change Network
  CN41: Display Network
  SM12: Display and Delete Lock Entries
  
  
  User Authorizations: Ensure that users have the appropriate authorizations to access and modify networks.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for best practices in managing project networks and activities.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.