How To Fix CN620 - Maintain control key in network profile

CN620 - Overview

• 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.

CN620 - Details

• 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