How To Fix CN305 - Material components can only be moved within a network

CN305 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 305

• Message text: Material components can only be moved within a network

What causes this issue?

You have tried to move the material component to an activity in another
network. You can only move components within the same network.

System Response

The material component is not moved.

How to fix this error?

Select an activity in the same network.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CN305 - Details

• The SAP error message CN305 ("Material components can only be moved within a network") typically occurs in the context of project management and production planning within SAP, particularly when dealing with networks and activities in the Project System (PS) module. This error indicates that there is an attempt to move material components that are not associated with the same network or activity.
  
  Cause:
  
  Network Structure: The material components you are trying to move are linked to a specific network or activity, and the system does not allow moving them outside of that context.
  Incorrect Assignment: The components may not be correctly assigned to the network or activity you are trying to manipulate.
  Project Definition Issues: There may be issues with the project definition or the way the network is structured, leading to inconsistencies.
  
  
  Solution:
  
  Check Network Assignment: Ensure that the material components you are trying to move are correctly assigned to the same network or activity.