Exchange 2013, Event 1012, MSExchangeIS

Exchange Server Information Store has encountered an error while executing a full-text index query ("and(or(itemclass:string("IPM.Note*", mode="and"), itemclass:string("IPM.Schedule.Meeting*", mode="and"), itemclass:string("IPM.OCTEL.VOICE*", mode="and"), itemclass:string("IPM.VOICENOTES*", mode="and")), subject:string("SearchQueryStxProbe*", mode="and"), folderid:string("9805D250E52E1C4BAEEF88B84AC1BDFE00000000000E0000"))"). Error information: System.ServiceModel.FaultException`1[System.ServiceModel.ExceptionDetail]: Internal error while processing request (Fault Detail is equal to An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:

Microsoft.Ceres.InteractionEngine.Component.ProcessingEngineException: Internal error while processing request

   at Microsoft.Ceres.InteractionEngine.Component.CieProcessingEngine.LogAndRethrowException(Exception e)

   at Microsoft.Ceres.InteractionEngine.Component.CieProcessingEngine.GetItems(Guid flowIdentifier, String outputName)

   at SyncInvokeGetItems(Object , Object[] , Object[] )

   at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)

   at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)).