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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN305 - Material components can only be moved within a network ?

  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. You can do this by reviewing the network structure in the Project System.
  Use the Correct Transaction: Make sure you are using the appropriate transaction for moving components. For example, use transaction codes like CN22 (Change Network) or CN41 (Display Network) to manage network activities and components.
  Reassign Components: If the components need to be moved to a different network, you may need to first remove them from the current network and then assign them to the new one.
  Consult Documentation: Review SAP documentation or help files related to network management and material components for additional guidance.
  Check Authorizations: Ensure that you have the necessary authorizations to make changes to the network and its components.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes in the Project System module, such as:
  
  CN01: Create Network
  CN02: Change Network
  CN03: Display Network
  
  
  Training and Support: If you continue to face issues, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in the Project System module.
  
  By following these steps, you should be able to resolve the CN305 error and successfully manage your material components within the SAP system.