How To Fix JO406 - The milestone no longer exists in current data

SAP Error Message - Details

• Message type: E = Error

• Message class: JO - Project Information System: All Overviews

• Message number: 406

• Message text: The milestone no longer exists in current data

What causes this issue?

The milestone you have chosen for display no longer exists in the
current data for the project.

System Response

The system cannot display the milestone.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message JO406 - The milestone no longer exists in current data ?

  The SAP error message JO406 ("The milestone no longer exists in current data") typically occurs in the context of project management or project system (PS) modules when there is an attempt to reference a milestone that has been deleted or is no longer valid in the current project structure.
  Causes:
  
  Deleted Milestone: The milestone you are trying to access has been deleted from the project.
  Project Structure Changes: Changes in the project structure, such as the deletion or modification of the project or WBS (Work Breakdown Structure) elements, can lead to this error.
  Data Consistency Issues: There may be inconsistencies in the data due to incomplete updates or errors during data entry.
  Incorrect Project Version: The system may be referencing an outdated version of the project where the milestone existed.
  
  Solutions:
  
  Check Milestone Existence: Verify if the milestone still exists in the project. You can do this by navigating to the project structure and checking the milestones associated with it.
  Update Project Data: If the milestone has been deleted, you may need to recreate it or adjust your project plan to reflect the current structure.
  Review Project Changes: Look into any recent changes made to the project or WBS elements that might have affected the milestone.
  Use Correct Project Version: Ensure that you are working with the correct version of the project. If necessary, switch to the appropriate version where the milestone exists.
  Data Consistency Check: Run consistency checks in the project system to identify and resolve any data inconsistencies.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CJ20N (Project Builder) or CJ02 (Change Project) to view and modify project details.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP documentation for project management to understand how milestones are managed and the implications of deleting them.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data integrity of your SAP environment.