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

CN046 - Overview

• 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.

CN046 - Details

• 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