Private server issue

ot****@h

Hi i am trying to make a private server with a friend but the server is looping with 3 messages error :

open file failed! :../../../MOE/Saved/SaveGames/World/ThirdPersonExampleMap_100

Error: LoadMap: failed to Listen(/Game/Maps/ThirdPersonExampleMap?closed)

Error: UEngine::BroadcastNetworkFailure: FailureType = NetDriverListenFailure, ErrorString = , Driver = GameNetDriver IpNetDriver_2147381847