How To Fix CJ086 - Milestone &1 is assigned to another WBS element

SAP Error Message - Details

• Message type: E = Error

• Message class: CJ - Project master data and structure

• Message number: 086

• Message text: Milestone &1 is assigned to another WBS element

What causes this issue?

This milestone has already been assigned to another WBS element. The
asignment cannot be changed any more.

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?

Delete the milestone and create a new milestone for the selected WBs
element.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CJ086 - Milestone &1 is assigned to another WBS element ?

  The SAP error message CJ086 indicates that a milestone is already assigned to another Work Breakdown Structure (WBS) element. This typically occurs when you attempt to assign a milestone to a WBS element that is already linked to a different WBS element, which is not allowed in SAP.
  
  Cause:
  
  Duplicate Assignment: The milestone you are trying to assign is already linked to another WBS element.
  Incorrect WBS Element: You may be trying to assign the milestone to the wrong WBS element.
  System Configuration: There may be specific configurations or restrictions in your SAP system that prevent the assignment of milestones to multiple WBS elements.
  
  
  Solution:
  
  
  Check Existing Assignments:
  
  Use transaction code CJ20N (Project Builder) or CJ03 (Display WBS Element) to check where the milestone is currently assigned.
  Identify the WBS element that currently has the milestone assigned.
  
  
  
  Reassign the Milestone:
  
  If you need to assign the milestone to a different WBS element, you will first need to remove it from