How To Fix CN677 - List shows no activities

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 677

• Message text: List shows no activities

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN677 - List shows no activities ?

  The SAP error message CN677 ("List shows no activities") typically occurs in the context of project management or network activities within the SAP system, particularly when using transaction codes related to project planning, such as CJ20N (Project Builder) or CN41 (Network Overview).
  Cause:
  The error message CN677 indicates that the system could not find any activities to display based on the selection criteria you provided. This can happen for several reasons:
  
  No Activities Exist: There may be no activities defined for the project or network you are trying to view.
  Selection Criteria: The selection criteria you used to filter the activities may be too restrictive, resulting in no matching records.
  Status of Activities: The activities may be in a status that prevents them from being displayed (e.g., they are marked as deleted or archived).
  Authorization Issues: You may not have the necessary authorizations to view the activities in question.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the activities from being displayed.
  
  Solution:
  To resolve the CN677 error, you can take the following steps:
  
  
  Check Project/Network: Ensure that the project or network you are trying to access actually has activities defined. You can do this by checking the project structure or network details.
  
  
  Review Selection Criteria: Re-evaluate the selection criteria you are using. Try broadening the criteria to see if any activities appear. For example, remove filters or search for a wider date range.
  
  
  Check Activity Status: Verify the status of the activities. If they are marked as deleted or archived, they may not be displayed. You can check the status in the project or network details.
  
  
  Authorization Check: Ensure that you have the necessary authorizations to view the activities. You may need to contact your SAP security administrator to verify your access rights.
  
  
  Data Consistency: If you suspect data inconsistencies, you may need to run consistency checks or consult with your SAP Basis team to investigate any underlying issues.
  
  
  Use Alternative Transactions: If the issue persists, try using alternative transactions or reports to view the activities. For example, you can use transaction codes like CJ03 (Display Work Breakdown Structure) or CN41N (Network Overview) to see if the activities are visible there.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the CN677 error. You can search the SAP Support Portal for relevant notes.
  Documentation: Review SAP documentation related to project management and network activities for additional insights on how to manage and display activities.
  Community Forums: Consider visiting SAP community forums or discussion boards where other users may have encountered similar issues and shared solutions.
  
  By following these steps, you should be able to identify the cause of the CN677 error and take appropriate action to resolve it.