How To Fix CN_EVWB001 - Enter actual start and actual finish, or no values for &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CN_EVWB - Message class of Eanred Value Workbench

• Message number: 001

• Message text: Enter actual start and actual finish, or no values for &1 &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CN_EVWB001 - Enter actual start and actual finish, or no values for &1 &2 ?

  The SAP error message CN_EVWB001 typically occurs in the context of project management or network activities within the SAP system, particularly when dealing with actual costs, scheduling, or progress tracking. This error indicates that the system requires either the actual start and actual finish dates for a specific activity or that no values should be entered for the specified fields.
  Cause:
  The error message is triggered when:
  
  You are trying to save or process a project or network activity without providing the necessary actual start and finish dates.
  The system expects either both dates to be filled in or both to be left empty, but the input does not meet this requirement.
  
  Solution:
  To resolve the CN_EVWB001 error, you can take the following steps:
  
  
  Check Input Fields: Ensure that you have entered both the actual start date and the actual finish date if you intend to provide them. If you do not have actual dates to enter, make sure both fields are left blank.
  
  
  Review Project Status: If you are in the process of updating project progress, verify the status of the project or activity. If it is not yet started or completed, you may not need to enter actual dates.
  
  
  Consult Documentation: Refer to your organization's project management guidelines or SAP documentation to understand the requirements for entering actual dates.
  
  
  Use Transaction Codes: If you are using a specific transaction code (like CJ20N for project management), ensure that you are following the correct steps for entering actual data.
  
  
  Check User Authorizations: Ensure that you have the necessary authorizations to make changes to the project or network activities.
  
  
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with a functional consultant who specializes in project systems.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CN41 (Project Overview), or CN22 (Change Network).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  Training: Consider training sessions or workshops on SAP Project System (PS) to better understand how to manage project data effectively.
  
  By following these steps, you should be able to resolve the CN_EVWB001 error and continue with your project management tasks in SAP.