How To Fix CN665 - List shows no components

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 665

• Message text: List shows no components

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 CN665 - List shows no components ?

  The SAP error message CN665 ("List shows no components") typically occurs in the context of project management or network planning within SAP, particularly when working with the Project System (PS) module. This message indicates that the system could not find any components associated with the selected project or network.
  Causes:
  
  No Components Assigned: The project or network you are trying to view does not have any components (such as activities, tasks, or materials) assigned to it.
  Selection Criteria: The selection criteria used to generate the list may be too restrictive, leading to no results being returned.
  Authorization Issues: The user may not have the necessary authorizations to view the components of the project or network.
  Data Inconsistencies: There may be inconsistencies or issues in the underlying data, such as missing links between the project and its components.
  Incorrect Project/Network: The project or network number entered may be incorrect or does not exist.
  
  Solutions:
  
  Check Component Assignment: Verify that components are indeed assigned to the project or network. You can do this by navigating to the project or network details and checking the assigned components.
  Adjust Selection Criteria: Review and adjust the selection criteria used to generate the list. Ensure that it is broad enough to include the components you expect to see.
  Verify Authorizations: Ensure that you have the necessary authorizations to view the components. You may need to contact your SAP security administrator for assistance.
  Review Data Integrity: Check for any data inconsistencies or errors in the project or network setup. You may need to run consistency checks or consult with your SAP support team.
  Confirm Project/Network Number: Double-check the project or network number you are using to ensure it is correct and exists in the system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CN41 (Network Overview), or CJ03 (Display Project) to navigate and check project details.
  SAP Notes: Look for SAP Notes related to this error message in the SAP Support Portal, as they may provide specific fixes or patches.
  Documentation: Review SAP documentation or user manuals related to the Project System for more detailed information on managing projects and networks.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further investigation.