U4-3612 - Cannot install Txt starter kit in the back office

Created by Shannon Deminick 20 Nov 2013, 06:16:15 Updated by Shannon Deminick 20 Nov 2013, 06:28:37

I've had this happen on two installs with data already in them. When i try to install this package I get a silent YSOD and it fails at 5%:

System.ArgumentException was unhandled by user code HResult=-2147024809 Message=An item with the same key has already been added. Source=mscorlib StackTrace: at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) at System.Collections.Generic.Dictionary2.Insert(TKey key, TValue value, Boolean add) at System.Collections.Generic.Dictionary2.Add(TKey key, TValue value) at umbraco.cms.businesslogic.packager.Installer.LoadConfig(String tempDir) at Umbraco.Web.Install.InstallPackageController.DownloadPackageFiles(Guid kitGuid) at lambda_method(Closure , ControllerBase , Object[] ) at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary2 parameters) at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary2 parameters) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass42.b__41() at System.Web.Mvc.Async.AsyncResultWrapper.<>c__DisplayClass81.<BeginSynchronous>b__7(IAsyncResult _) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult1.End() at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass37.<>c__DisplayClass39.b__33() at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass4f.b__49() InnerException:

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