How To Fix CN620 - Maintain control key in network profile

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 620

• Message text: Maintain control key in network profile

What causes this issue?

You are attempting to create an activity or activity element in a
network. However, the control key in the network profile has not been
maintained completely in Customizing.

System Response

The control key determines the characteristics of an activity or
activity element. When you have not properly maintained the control key
in Customizing, there can be problems when you try to maintain
activities and activities elements in the network.

How to fix this error?

If you have authorization, maintain the control key in the network
profile in Customizing for internally and externally processed
activities, services and general cost activities.
INCLUDE NA_ALLG_BERECHTIGUNG OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN620 - Maintain control key in network profile ?

  The SAP error message CN620, which states "Maintain control key in network profile," typically occurs in the context of project management and network planning within SAP. This error indicates that the control key for a network activity is not defined or is missing in the network profile.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Missing Control Key: The control key for the network profile has not been maintained or is incorrectly set.
  Incorrect Configuration: The network profile may not be properly configured to include the necessary control keys.
  User Authorization: The user may not have the necessary authorization to maintain or view the control key settings.
  
  Solution:
  To resolve the CN620 error, you can follow these steps:
  
  
  Maintain Control Key in Network Profile:
  
  Go to the transaction code OPKP (or navigate through the SAP menu: Logistics > Project System > Structures > Network > Maintain Network Profile).
  Select the relevant network profile that you are working with.
  Ensure that the control key is defined in the network profile. If it is missing, add the appropriate control key that suits your project requirements.
  
  
  
  Check Control Key Configuration:
  
  Use transaction code OPUK to check the configuration of control keys.
  Ensure that the control key you are trying to use is valid and properly configured for the activities you want to perform.
  
  
  
  User Authorization:
  
  Verify that the user has the necessary authorizations to maintain network profiles and control keys. If not, contact your SAP security administrator to grant the required permissions.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to project systems and network profiles for additional guidance on control keys and their usage.
  
  
  
  Testing:
  
  After making the necessary changes, try to execute the transaction or process again to see if the error persists.
  
  
  
  Related Information:
  
  Control Keys: Control keys in SAP define how activities are processed in a project. They determine whether an activity is a milestone, whether it can be scheduled, and how costs are managed.
  Network Profiles: Network profiles are used to define the characteristics of networks in project management, including the control keys that can be used for activities within those networks.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CN22 (Change Network), and CJ02 (Change Work Breakdown Structure) for managing projects and networks.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any specific patches or updates related to this error.