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

JO406 - Overview

• 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management or project system (PS) modules when there is an attempt to reference a milestone that has been deleted or is no longer valid in the current project structure.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  Incorrect Project Version: The system may be referencing an outdated version of the project where the milestone existed.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