Hi,

Anyone any idea about this error I keep getting reported in my Courier Trace Log?

2017-03-01 14:15:41,858 [13] DEBUG Umbraco.Courier.Persistence.V6.NHibernate.NHibernateProvider - [Thread 13] Closing session, UseGlobalSession: False, key: 8a4588f2-e58b-4e5b-b9c9-a72dbf6a2d3e 2017-03-01 14:15:41,858 [13] ERROR Umbraco.Courier.Core.TaskManager - [Thread 13] Error ExtractionTask with id: 20948e72-0e43-4e0a-998d-88dfacfd9c19 System.InvalidOperationException: Sequence contains more than one element at System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable1 source) at Umbraco.Core.Services.ContentService.GetById(Guid key) at Umbraco.Courier.DataResolvers.ItemEventProviders.PublishDocument.Execute(ItemIdentifier itemId, SerializableDictionary2 parameters) at Umbraco.Courier.Core.EventManager.ExecuteLocalEvent(String eventAlias, ItemIdentifier itemId, Dictionary2 parameters, ExecutionContext context) at Umbraco.Courier.Core.EventManager.ExecuteLocalQueue(String sessionKey, String queueAlias, ExecutionContext context) at Umbraco.Courier.RepositoryProviders.Local.ExecuteQueue(String queueItems) at Umbraco.Courier.Core.Extraction.RevisionExtraction.CompleteDatabaseTransaction() at Umbraco.Courier.Core.Extraction.RevisionExtraction.Extract() at Umbraco.Courier.Core.Tasks.ExtractionTask.Run() at Umbraco.Courier.Core.BackgroundTaskRunner1.ConsumeTaskInternal(T task) 2017-03-01 14:15:41,858 [13] ERROR Umbraco.Courier.Core.BackgroundTaskRunner - [Thread 13] An error occurred consuming task System.InvalidOperationException: Sequence contains more than one element at System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable1 source) at Umbraco.Core.Services.ContentService.GetById(Guid key) at Umbraco.Courier.DataResolvers.ItemEventProviders.PublishDocument.Execute(ItemIdentifier itemId, SerializableDictionary2 parameters) at Umbraco.Courier.Core.EventManager.ExecuteLocalEvent(String eventAlias, ItemIdentifier itemId, Dictionary2 parameters, ExecutionContext context) at Umbraco.Courier.Core.EventManager.ExecuteLocalQueue(String sessionKey, String queueAlias, ExecutionContext context) at Umbraco.Courier.RepositoryProviders.Local.ExecuteQueue(String queueItems) at Umbraco.Courier.Core.Extraction.RevisionExtraction.CompleteDatabaseTransaction() at Umbraco.Courier.Core.Extraction.RevisionExtraction.Extract() at Umbraco.Courier.Core.Tasks.ExtractionTask.Run() at Umbraco.Courier.Core.BackgroundTaskRunner1.ConsumeTaskInternal(T task) 2017-03-01 14:19:18,019 [65] INFO Umbraco.Courier.Core.BackgroundTaskRunner - [Thread 65] Application is shutting down, waiting for tasks to complete 2017-03-01 14:19:18,029 [65] INFO Umbraco.Courier.Core.BackgroundTaskRunner - [Thread 65] AggregateException thrown with the following inner exceptions: 2017-03-01 14:19:18,029 [65] INFO Umbraco.Courier.Core.BackgroundTaskRunner - [Thread 65] .Net TaskCanceledException: .Net Task ID 34542 2017-03-01 14:19:18,029 [65] INFO Umbraco.Courier.Core.BackgroundTaskRunner - [Thread 65] Shutdown 2017-03-01 14:19:18,029 [65] INFO Umbraco.Courier.Core.BackgroundTaskRunner - [Thread 65] Application is shutting down, waiting for tasks to complete 2017-03-01 14:19:18,029 [65] INFO Umbraco.Courier.Core.BackgroundTaskRunner - [Thread 65] Shutdown

I get this each time I do a content import. It looks like all content gets imported OK but the UI never reports back a successful import (the screen just gos blank) and I get the above in the log file

Ben