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ERROR: "Failed Saving Data" When Cutting And Pasting Milestones In Standard View (Doc ID 2375749.1)

Last updated on MARCH 28, 2019

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version to [Release 16.2]
Primavera P6 Enterprise Project Portfolio Management Cloud Service - Version to [Release 16.2]
Information in this document applies to any platform.


When attempting to copy and paste milestones in standard view, the following error occurs:

Unable to save changes "Failed saving data. You cannot edit actual duration for milestones, level of effort, or WBS summary Activities"


  1. Access P6 Web (EPPM) > Create two sample projects > Name the projects “A” and “B”
  2. In the activities view, add actual start and activity status columns > On activity B add two start milestones
  3. Mark them completed > Navigate to the two projects > Cut two milestones where status is completed > Past into another Project > upon saving the project > Note the event code

The issue has the following business impact:
Users cannot copy and paste milestones


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