How To Fix CN757 - No material components exist for activity &

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 757

• Message text: No material components exist for activity &

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 CN757 - No material components exist for activity & ?

  The SAP error message CN757 ("No material components exist for activity &") typically occurs in the context of project management and production planning within SAP, particularly when dealing with network activities in Project System (PS) or Production Orders. This error indicates that the system cannot find any material components associated with a specific activity in a project or order.
  Cause:
  
  Missing Material Components: The activity in question does not have any material components assigned to it. This could be due to an oversight during the planning phase.
  Incorrect Activity Type: The activity type may not be set up to allow for material components.
  Data Inconsistencies: There may be inconsistencies in the master data or configuration settings that prevent the system from recognizing the material components.
  Network or Activity Status: The status of the network or activity may not allow for the assignment of material components (e.g., if the activity is already completed or locked).
  Authorization Issues: The user may not have the necessary authorizations to view or assign material components.
  
  Solution:
  
  Check Activity Assignment: Verify that the activity in question is correctly assigned to the relevant project or order and that it is intended to have material components.
  Assign Material Components: If the activity is supposed to have material components, go to the activity details and assign the necessary components.
  
  Navigate to the project or order in question.
  Open the activity and check the "Components" tab.
  Add the required materials if they are missing.
  
  
  Review Activity Type Configuration: Ensure that the activity type is configured to allow for material components. This may involve checking the settings in the configuration (SPRO) for the Project System.
  Check Network and Activity Status: Ensure that the network and activity statuses are appropriate for making changes. If the activity is completed, you may need to set it back to a status that allows changes.
  Authorization Check: Ensure that the user has the necessary authorizations to view and modify material components. This may involve checking user roles and permissions in the SAP system.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CJ20N (Project Builder) or CO02 (Change Production Order) to navigate to the relevant project or order and check the activity details.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Refer to SAP documentation for Project System and Production Planning for more detailed information on managing activities and material components.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Project System or Production Planning.