The warfarin model cannot be open

[yishuliu0707]

When we try to open this project，the app will prompt “The project is too old (compatible version 63) and cannot be loaded with this version. (compatible version 79).Vist our downlbad page at hitp:./setup.open-systems-pharmacolbgy.org to download an older version ofthe software compatble with this project”，so we download a older version.However when we try to open this project again by version7.0,it prompted "the app version is too old and cannot open this project".

Application:
PK-Sim® 11.3.208

Object reference not set to an instance of an object.

Stack trace:

at PKSim.Presentation.Presenters.Simulations.SimulationParametersPresenter`1.EditSimulation(TSimulation simulation)
   at PKSim.Presentation.Presenters.Simulations.EditSimulationPresenter`4.<>c__DisplayClass1_0.<InitializeSubPresentersWith>b__0(TSubPresenter x)
   at OSPSuite.Utility.Extensions.EnumerableExtensions.Each[T](IEnumerable`1 list, Action`1 action)
   at PKSim.Presentation.Presenters.Simulations.EditSimulationPresenter`4.InitializeSubPresentersWith(TSimulation simulation)
   at OSPSuite.Presentation.Presenters.EditAnalyzablePresenter`4.Edit(TAnalyzable analyzable)
   at OSPSuite.Presentation.Presenters.SubjectPresenter`3.Edit(Object objectToEdit)
   at PKSim.Presentation.Core.SingleStartPresenterTask.StartForSubject[T](T subject)
   at PKSim.Presentation.Services.BuildingBlockTask.Edit(IPKSimBuildingBlock buildingBlockToEdit)
   at PKSim.Presentation.Presenters.Main.ExplorerPresenter`2.EditBuildingBlock(IPKSimBuildingBlock buildingBlock)
   at PKSim.Presentation.Presenters.Main.SimulationExplorerPresenter.NodeDoubleClicked(ITreeNode node)
   at OSPSuite.UI.Views.BaseExplorerView.<>c__DisplayClass16_0.<nodeDoubleClick>b__0()
   at OSPSuite.Utility.Extensions.ExceptionExtensions.DoWithinExceptionHandler(Object callerObject, Action actionToExecute)