How To Fix CN817 - Standard network & is locked by user &

CN817 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 817

• Message text: Standard network & is locked by user &

What causes this issue?

Standard network &V1& is currently locked by user &V2&:
The user is directly processing the standard network.
<ZH>or</>
The user is processing a different standard network which has a
relationship to standard network &V1&.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

CN817 - Details

• The SAP error message CN817 indicates that a standard network is locked by a user. This typically occurs in the context of project management or network planning within SAP, particularly in modules like SAP PS (Project System) or SAP PM (Plant Maintenance).
  
  Cause:
  The error CN817 usually arises due to one of the following reasons:
  
  User Lock: A user has locked the network for editing, which prevents other users from making changes to it.
  Transaction in Progress: A transaction involving the network is currently being processed by another user, leading to a temporary lock.
  System Lock: The network might be locked due to a system-level issue or a previous transaction that did not complete properly.
  
  
  Solution:
  To resolve the CN817 error, you can take the following steps:
  
  
  Identify the Locking User:
  
  Use transaction code SM12 to check for locks in the system. You can filter by the user ID to see if the network is locked by a specific