How To Fix CN046 - Control key "&" from network profile "&" is copied

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 046

• Message text: Control key "&" from network profile "&" is copied

What causes this issue?

The subnetwork assignment was deleted.
If the control key of the superior activity &V3&/&V4& was changed when
creating a subnetwork, the control key from the profile is used.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN046 - Control key "&" from network profile "&" is copied ?

  The SAP error message CN046 indicates that there is an issue with the control key associated with a network profile in the Project System (PS) module. This error typically arises when the control key specified in the network profile is not valid or is not set up correctly in the system.
  Cause:
  
  Invalid Control Key: The control key specified in the network profile does not exist or is not valid in the system.
  Configuration Issues: The control key may not be properly configured in the system, or it may not be assigned to the correct project or network profile.
  Copying Issues: The error can occur when trying to copy a network or project that has an invalid control key.
  
  Solution:
  
  
  Check Control Key Configuration:
  
  Go to the transaction code OPUK (Control Key Configuration) to verify if the control key exists and is correctly configured.
  Ensure that the control key is assigned to the appropriate network profile.
  
  
  
  Review Network Profile:
  
  Check the network profile settings to ensure that the control key is correctly assigned.
  You can do this by navigating to the transaction code CN21 (Create Network) or CN22 (Change Network) and reviewing the network profile settings.
  
  
  
  Correct the Control Key:
  
  If the control key is incorrect, update it to a valid control key that is configured in the system.
  If necessary, create a new control key that meets the requirements of your project.
  
  
  
  Check Project Settings:
  
  Ensure that the project settings are correctly configured and that the control key is compatible with the project type.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more information on control keys and their configurations.
  
  
  
  Related Information:
  
  Control Keys: Control keys in SAP define how activities are processed in the Project System. They determine the type of work that can be performed, the scheduling, and the cost planning.
  Network Profiles: Network profiles are used to define the characteristics of a network in project management, including the control key, which influences how the network behaves.
  Transaction Codes:
  
  OPUK: Control Key Configuration
  CN21: Create Network
  CN22: Change Network
  CN41: Display Network
  
  
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues related to this error message.