I'm sorry if this is a duplicate but I couldn't find the same report. Crashed repeatedly after doing a search and then hovering over a link in the results with the following crash log:
Error ID: 9644
Error detail: NullReferenceException: Object reference not set to an instance of an object.
System.NullReferenceException: Object reference not set to an instance of an object.
at Libronix.DigitalLibrary.LibraryCatalogUtility.GetAssociatedAudioResources(LibraryCatalog catalog, String resourceId)
at LDLS4.ResourceTip.<HoverWorkCore>d__3.MoveNext()
at Libronix.Utility.Threading.AsyncWorkerTask`1.EnumMoveNext()
at Libronix.Utility.Threading.AsyncWorkerTask`1.ContinueExecution(Object unused)
at Libronix.Utility.Threading.AsyncWorker.DoStart[T,TController](AsyncWorkGroup group, IEnumerable`1 seq, AsyncWorkOptions options, CancellationToken cancellationToken, ISynchronizationContext synchronizationContext, Func`3 createController)
at Libronix.Utility.Threading.AsyncWorker.Start[T](AsyncWorkGroup group, IEnumerable`1 seq, AsyncWorkOptions options, CancellationToken cancellationToken, ISynchronizationContext synchronizationContext)
at Libronix.Utility.Threading.AsyncActions.Execute[T](IEnumerable`1 seq, AsyncWorkOptions options, AsyncWorkItem`1& childWorkItem)
at LDLS4.HoverTip.<DoShowWork>d__3.MoveNext()
at Libronix.Utility.Threading.AsyncWorkerTask`1.EnumMoveNext()
at Libronix.Utility.Threading.AsyncWorkerTask`1.ContinueExecution(Object unused)
at Libronix.Utility.Threading.GroupedThreadPool.ExecuteNextCallback(Object state)
at System.Threading.QueueUserWorkItemCallback.WaitCallback_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem()
at System.Threading.ThreadPoolWorkQueue.Dispatch()
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()
