How To Fix CN328 - A milestone has already been assigned to event &

CN328 - Overview

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 328

• Message text: A milestone has already been assigned to event &

What causes this issue?

You want to assign a milestone to a date type. However this date type
has a milestone assigned already.

System Response

You can only assign one milestone to a date type.

How to fix this error?

Select another date type or delete the existing assignment.

Error message extract from SAP system. Copyright SAP SE.

CN328 - Details

• The SAP error message CN328 indicates that a milestone has already been assigned to a specific event in the project management module. This typically occurs when you attempt to assign a milestone to an event that already has a milestone linked to it.
  
  Cause:
  
  Duplicate Assignment: The primary cause of this error is that the event you are trying to assign a milestone to already has a milestone assigned.
  Incorrect Event Selection: You may have selected the wrong event or milestone inadvertently.
  System Configuration: There may be specific configurations or settings in the project management module that restrict multiple milestones for a single event.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Navigate to the event in question and check if a milestone is already assigned. You can do this by viewing the event details in the project management module.
  
  
  
  Remove Existing Milestone: 
  
  If you need to assign a new milestone, you may need to first remove the existing milestone from