How To Fix CN029 - Log contains no entries

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 029

• Message text: Log contains no entries

What causes this issue?

No errors were found when checking whether the activity dates lie
within the basic dates of the WBS element.

System Response

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

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 CN029 - Log contains no entries ?

  The SAP error message CN029, which states "Log contains no entries," typically occurs in the context of project management or construction planning within the SAP system, particularly when dealing with logs related to network activities, project progress, or other related functions.
  Cause:
  
  No Activities Logged: The most common reason for this error is that there are no activities or entries logged for the specific project or network you are trying to access.
  Incorrect Selection Criteria: The selection criteria used to retrieve the log may not match any existing entries. This could be due to date ranges, project numbers, or other filters that do not correspond to any logged activities.
  Authorization Issues: In some cases, the user may not have the necessary authorizations to view the log entries, leading to the perception that there are no entries.
  Data Deletion: Logs may have been deleted or purged from the system, either manually or through a scheduled job.
  
  Solution:
  
  Check for Entries: Verify that there are indeed entries logged for the project or network. You can do this by checking the relevant transaction codes (e.g., CN41, CN43) to see if any activities exist.
  Adjust Selection Criteria: Review and adjust the selection criteria you are using to access the log. Ensure that the date range and other filters are set correctly.
  User Authorizations: Confirm that you have the necessary authorizations to view the logs. If not, contact your SAP security administrator to request the appropriate access.
  Data Integrity: If you suspect that logs have been deleted, consult with your SAP Basis or data management team to check if there are any data integrity issues or if logs were purged as part of a data management policy.
  System Logs: Check system logs or error logs for any related issues that might provide more context on why the logs are empty.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CN41 (Network Overview), CN43 (Network Activities), and others that may help you navigate project logs.
  SAP Notes: Look for SAP Notes related to error CN029 for any specific patches or updates that may address known issues.
  Documentation: Review SAP documentation or help files related to project management and logging to understand how logs are generated and maintained.
  
  If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or reach out to SAP directly for further assistance.