How To Fix CN218 - Standard network & alternative & does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 218

• Message text: Standard network & alternative & does not exist

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN218 - Standard network & alternative & does not exist ?

  The SAP error message CN218 indicates that a standard network and its alternative do not exist in the system. This error typically occurs in the context of project management and network planning within SAP, particularly when dealing with networks in the Project System (PS) module.
  Cause:
  The error can arise due to several reasons:
  
  Non-existent Network: The network you are trying to access or manipulate does not exist in the system.
  Incorrect Network Number: The network number you are using may be incorrect or mistyped.
  Network Deletion: The network may have been deleted or archived, making it unavailable for use.
  Authorization Issues: You may not have the necessary authorizations to view or access the network.
  Data Inconsistency: There may be inconsistencies in the database that prevent the system from recognizing the network.
  
  Solution:
  To resolve the CN218 error, you can take the following steps:
  
  Verify Network Number: Double-check the network number you are using to ensure it is correct.
  Check Network Existence: Use transaction codes like CN03 (Display Network) or CN21 (Create Network) to verify if the network exists in the system.
  Review Authorizations: Ensure that you have the necessary authorizations to access the network. You may need to contact your SAP security administrator for assistance.
  Check for Deletion: If the network was deleted, you may need to recreate it or restore it from an archive if applicable.
  Consult with IT Support: If the issue persists, consult with your SAP support team or IT department to check for any underlying data inconsistencies or system issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the Project System module, such as:
  
  CN01: Create Network
  CN02: Change Network
  CN03: Display Network
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on Project System and network management for additional context and troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the CN218 error and implement a solution to resolve it.