New Post: Error comparing 2 TFS 2012 projects

I remember use some months ago, but today i need check template modifications but i cant compare. Is there something I missed?


Processing Team Project "....."
An error occurred while processing Team Project "....": This operation is not supported against this version of Team Foundation Server.
System.NotSupportedException: This operation is not supported against this version of Team Foundation Server.
at Microsoft.TeamFoundation.ProcessConfiguration.Client.ProjectProcessConfigurationService.GetProcessConfiguration(String projectUri)
at TeamProjectManager.Modules.WorkItemConfiguration.WorkItemConfigurationItemImportExport.GetProcessConfiguration(Project project, WorkItemConfigurationItemType type) in C:\Users\jelled\Desktop\Code\TeamProjectManager\Main\TeamProjectManager.Modules.WorkItemConfiguration\WorkItemConfigurationItemImportExport.cs:line 463
at TeamProjectManager.Modules.WorkItemConfiguration.WorkItemConfiguration.FromTeamProject(TfsTeamProjectCollection tfs, Project project) in C:\Users\jelled\Desktop\Code\TeamProjectManager\Main\TeamProjectManager.Modules.WorkItemConfiguration\WorkItemConfiguration.cs:line 105
at TeamProjectManager.Modules.WorkItemConfiguration.ComparisonViewModel.<>c__DisplayClass74_0.<Compare>b__1(Object sender, DoWorkEventArgs e) in C:\Users\jelled\Desktop\Code\TeamProjectManager\Main\TeamProjectManager.Modules.WorkItemConfiguration\ComparisonViewModel.cs:line 255
Done