How To Fix IN120 - Network identification & still being used

SAP Error Message - Details

• Message type: E = Error

• Message class: IN - Object Networking

• Message number: 120

• Message text: Network identification & still being used

What causes this issue?

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

System Response

The system does not allow you to delete a network identifier that
is in use.

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 IN120 - Network identification & still being used ?

  The SAP error message IN120 ("Network identification & still being used") typically occurs in the context of network planning and production planning within the SAP system. This error indicates that a network (or a project network) is still being referenced or used in some capacity, preventing it from being deleted or modified.
  Cause:
  
  Active Assignments: The network is still assigned to one or more activities, operations, or other objects within the system.
  Open Documents: There may be open documents (like purchase orders, production orders, etc.) that reference the network.
  Dependencies: There could be dependencies or links to other networks or projects that are preventing the deletion or modification of the network.
  Status of the Network: The network might be in a status that does not allow for deletion or modification (e.g., it might be released or in progress).
  
  Solution:
  To resolve the IN120 error, you can follow these steps:
  
  
  Check Assignments: 
  
  Use transaction codes like CN21 (for network) or CJ20N (for project management) to check if the network is still assigned to any activities or operations.
  If it is, you will need to remove those assignments before you can delete or modify the network.
  
  
  
  Review Open Documents:
  
  Check for any open purchase orders, production orders, or other documents that might be linked to the network.
  You can use transaction codes like ME23N (for purchase orders) or CO03 (for production orders) to review these documents.
  
  
  
  Change Network Status:
  
  If the network is in a status that prevents changes, consider changing its status to a more permissive one (e.g., from "Released" to "Created") if applicable.
  
  
  
  Use Transaction Codes:
  
  Use transaction CNE1 to check for any dependencies or links to other networks.
  If you find any dependencies, you will need to address those before proceeding.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to network management for additional guidance on handling networks and their dependencies.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN21, CJ20N, CNE1, ME23N, and CO03.
  SAP Notes: Check SAP Notes for any specific fixes or updates related to the IN120 error.
  User Roles: Ensure that you have the necessary permissions to make changes to networks and related objects in SAP.
  
  By following these steps, you should be able to identify the cause of the IN120 error and take appropriate action to resolve it.