V2019.7 : Error detecting project version

Help
1

Just made new process with version 2019.7.0

When starting process, get error detecting project version.

Tryed to delete project.json file but with no help.

19.7.0+Branch.master.Sha.8c253d13718eed5c7db27daef6facd1fe1b0d067

Message: Error detecting project version

System.NotSupportedException: Error detecting project version
at UiPath.Project.ProjectData.WorkflowDataUpgrade.GetLatestProjectData(String projectContent, Dictionary`2 availablePackages)
at UiPath.Project.WorkflowProjectRepository.OpenProjectFromText(String projectContent, String projectPath)
at UiPath.Service.Impl.ExecutionManager.Job.OpenProjectAsUser(WorkflowProjectRepository projectRepository, String projectPath, ImpersonableIdentity identity)
at UiPath.Service.Impl.ExecutionManager.Job.GetProject(ImpersonableIdentity identity)
at UiPath.Service.Impl.ExecutionManager.Job.d__29.MoveNext()

Exception Type: System.Exception

RemoteException wrapping System.Exception: Error detecting project version

System.NotSupportedException: Error detecting project version
at UiPath.Project.ProjectData.WorkflowDataUpgrade.GetLatestProjectData(String projectContent, Dictionary`2 availablePackages)
at UiPath.Project.WorkflowProjectRepository.OpenProjectFromText(String projectContent, String projectPath)
at UiPath.Service.Impl.ExecutionManager.Job.OpenProjectAsUser(WorkflowProjectRepository projectRepository, String projectPath, ImpersonableIdentity identity)
at UiPath.Service.Impl.ExecutionManager.Job.GetProject(ImpersonableIdentity identity)
at UiPath.Service.Impl.ExecutionManager.Job.d__29.MoveNext()

2

Reinstalled studio and now works fine.

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3

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