Object reference not set to an instance of an object.

Server Version : 0.0.6338.27272 Studio Version : 0.0.6338.27286 Email Address : No Email Provided Steps to follow : No Steps Provided at Dev2.Studio.ViewModels.Workflow.WorkflowDesignerViewModel.GetSelectedModelItem(Guid itemId, Guid parentId) at Dev2.Studio.ViewModels.Workflow.WorkflowDesignerViewModel.b__206_0(DebugSelectionChangedEventArgs args) at System.Reactive.AnonymousSafeObserver`1.OnNext(T value) at System.Reactive.Concurrency.ObserveOn`1.ς.OnNextPosted(Object value) 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) Warewolf Studio log file : Parent ID: 00000000-0000-0000-0000-000000000000 Name: Testing Object Read from Rabbit 2017-05-09 17:16:12,534 [25] DEBUG - Debug content to be added ID: 5cb91324-9e39-4513-a69a-d10415eae05d Parent ID: 00000000-0000-0000-0000-000000000000 Name: Assign (3) 2017-05-09 17:16:12,534 [25] DEBUG - Debug content to be added ID: 1e502fa5-c628-46ce-a14e-34de18b67170 Parent ID: 00000000-0000-0000-0000-000000000000 Name: For Each 2017-05-09 17:16:12,534 [25] DEBUG - Debug content to be added ID: a7b2142b-63ca-4e95-8752-ba5b95cf2d8a Parent ID: 1e502fa5-c628-46ce-a14e-34de18b67170 Name: RabbitMQ Publish 2017-05-09 17:16:12,536 [25] DEBUG - Debug content to be added ID: a7b2142b-63ca-4e95-8752-ba5b95cf2d8a Parent ID: 1e502fa5-c628-46ce-a14e-34de18b67170 Name: RabbitMQ Publish 2017-05-09 17:16:12,537 [25] DEBUG - Debug content to be added ID: a7b2142b-63ca-4e95-8752-ba5b95cf2d8a Warewolf Server log file : 2017-05-09 17:16:12,479 [4] INFO - Debug Already Started 2017-05-09 17:16:12,479 [4] DEBUG - EnvironmentID: 00000000-0000-0000-0000-000000000000 Debug:RabbitMQ Publish 2017-05-09 17:16:12,492 [4] DEBUG - Message published to queue Test123 2017-05-09 17:16:12,492 [4] INFO - Debug Already Started 2017-05-09 17:16:12,492 [4] DEBUG - EnvironmentID: 00000000-0000-0000-0000-000000000000 Debug:RabbitMQ Publish 2017-05-09 17:16:12,492 [4] DEBUG - EnvironmentID: 00000000-0000-0000-0000-000000000000 Debug:For Each 2017-05-09 17:16:12,507 [4] INFO - Debug Already Started 2017-05-09 17:16:12,507 [4] DEBUG - EnvironmentID: 00000000-0000-0000-0000-000000000000 Debug:RabbitMQ Consume 2017-05-09 17:16:12,508 [4] DEBUG - EnvironmentID: 00000000-0000-0000-0000-000000000000 Debug:Testing Object Read from Rabbit 2017-05-09 17:16:12,518 [4] INFO - Completed Execution for Service Name:Testing Object Read from Rabbit Resource Id: 622109c4-7af8-42b0-96f9-8bdf781a5531 Mode:Debug