How To Fix CN155 - Network &1 does not belong to controlling area &2

CN155 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 155

• Message text: Network &1 does not belong to controlling area &2

What causes this issue?

Network &v1& does not belong to controlling area &v2&. Instead, the
network is assigned to controlling area &v3&.

How to fix this error?

Check whether the controlling area that you entered or that the system
determined is correct. If necessary change the entry or enter a network
that belongs to controlling area &V2&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN155 - Network &1 does not belong to controlling area &2 ?

  The SAP error message CN155 indicates that there is a mismatch between the network and the controlling area in the context of project systems or controlling (CO) modules. Specifically, it means that the network you are trying to work with is not assigned to the controlling area you are currently using.
  
  Cause:
  
  Network Assignment: The network you are trying to access is assigned to a different controlling area than the one you are currently working in.
  
  Configuration Issues: There may be configuration issues in the project system settings or controlling area settings.
  Data Entry Errors: Incorrect data entry when creating or modifying the network or project.
  
  
  Solution:
  
  
  Check Network Assignment:
  
  Go to the network in question and check its assignment to the controlling area. You can do this by navigating to the network in the Project System (PS) module and reviewing its details.
  Ensure that the network is assigned to the correct controlling area that you are currently