Object reference not set to an instance of an object.

Email Address : Barney Steps to follow : 1. Created a Unsaved 1 workflow 2. Saved as Unsaved 1 on root 3. Deleted Unsaved 1 OBSERVED: This stack trace at Warewolf.Studio.ViewModels.EnvironmentViewModel.d__293.MoveNext() in C:\Development\Repos\Warewolf-ESB\Dev\Warewolf.Studio.ViewModels\EnvironmentViewModel.cs:line 779 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at Warewolf.Studio.ViewModels.EnvironmentViewModel.d__288.MoveNext() in C:\Development\Repos\Warewolf-ESB\Dev\Warewolf.Studio.ViewModels\EnvironmentViewModel.cs:line 760 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at Warewolf.Studio.ViewModels.ExplorerViewModelBase.d__54.MoveNext() in C:\Development\Repos\Warewolf-ESB\Dev\Warewolf.Studio.ViewModels\ExplorerViewModel.cs:line 204 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter.GetResult() at Warewolf.Studio.ViewModels.ExplorerViewModelBase.<>c__DisplayClass53_0.<b__0>d.MoveNext() in C:\Development\Repos\Warewolf-ESB\Dev\Warewolf.Studio.ViewModels\ExplorerViewModel.cs:line 184 --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.b__6_0(Object state) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)