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Error: "Errors occurred While Opening Projects. Data For These Projects Is Not Displayed." When Running Schedule Comparison (Doc ID 2330244.1)

Last updated on DECEMBER 04, 2017

Applies to:

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


When running Schedule Comparison (while project publication is running) the following error is observed when selecting "Save & Draw":

"Errors occurred while opening projects. Data for these projects is not displayed."

When reviewing the visualizer.log file the following error is observed:

9/27/2017 7:47:48 PM Information Exception Exception while opening projects:
Microsoft.CSharp.RuntimeBinder.RuntimeBinderException: The best overloaded
method match for 'Primavera.Venus.Data.DataStore.GetDirtyTypes(string)' has
some invalid arguments
  at CallSite.Target(Closure , CallSite , DataStore , Object )
  at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite
site, T0 arg0, T1 arg1)
  at Primavera.Venus.Data.DataStore.GetDirtyGlobalEntityTypes(DateTime
aUserSession, DateTime LastUpdateDate)
  at Primavera.Venus.DataRepository.ProjectRepository.OpenProjects(Int32[]
projectsToOpen, Boolean OpenBaselines)
  at Primavera.Venus.DataRepository.ProjectRepository.OpenProjects(Int32[]
projIds, Boolean CloseUnspecifiedProjects, Boolean OpenBaselines)

Note: This was only observed while running project publication using a MS SQL Server database


  1. Launch Visualizer and Select Schedule Comparison
  2. Select 'Create New' and provide name
  3. Select Options
  4. Select Revised project and Original Project or Baseline
  5. Select 'Save & Draw' and observe error


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