Replay System not work

Hi all I try use Replay System | Unreal Engine Documentation
Created third person template and try execute “demorec” in console

Cmd: demorec
LogNetVersion: Test 1.0.0.0, NetCL: 4541578, EngineNetVer: 5, GameNetVer: 0 (Checksum: 514347513)
LogTemp: Display: ParseSettings for GameNetDriver
LogTemp: Display: ParseSettings for DemoNetDriver_0
LogTemp: Display: ParseSettings for DemoNetDriver
LogNet: ReplicationDriverClass is null! Not using ReplicationDriver.
PacketHandlerLog: DDoS detection status: detection enabled: 0 analytics enabled: 0
LogNet: AddClientConnection: Added client connection: [UNetConnection] RemoteAddr: UDemoNetConnection, Name: DemoNetConnection_0, Driver: DemoNetDriver DemoNetDriver_0, IsServer: YES, PC: NULL, Owner: NULL, UniqueId: INVALID
LogDemo: Num Network Actors: 11
LogNullReplay: FNullNetworkReplayStreamer::GetCheckpointArchive. Creating new checkpoint file.
LogDemo: Starting checkpoint. Actors: 10
LogNullReplay: FNullNetworkReplayStreamer::FlushCheckpoint. TimeInMS: 30001
LogDemo: Finished checkpoint. Actors: 10, GuidCacheSize: 2051, TotalSize: 2369, TotalCheckpointSaveFrames: 1, TotalCheckpointTimeInMS: 0.11

Can someone give me information about how it fix?