[2020.05.11] 12:30:53.178 [{E93B0681-147A-4E88-B204-C57C0F040ABB}:308] Exception: System.NullReferenceException: Object reference not set to an instance of an object. [2020.05.11]    at MailService.Protocols.MAPI.ServerHandles.Tables.TableFactory.CreateSearchFolderContentsTable(TableContext context, db_folder_readonly folder, RopGetContentsTableFlags flags, MapiProcessorState processorState) [2020.05.11]    at MailService.Protocols.MAPI.ServerHandles.Tables.TableFactory.CreateContentsTable(TableContext context, RopGetContentsTableFlags flags, MapiProcessorState processorState) [2020.05.11]    at MailService.Protocols.MAPI.Rops.FolderRops.RopGetContentsTable.Process(List`1 payloadServerObjectHandleTable) [2020.05.11]    at MailService.Protocols.MAPI.RequestTypes.ExecuteRequest.Process() [2020.05.11]    at MailService.Protocols.MAPI.MapiProcessor.Process()