NetworkTransport: Unity.Netcode.Transports.UTP.UnityTransport UnityTransportProtocol: UnityTransport. This should not happen. Please report this to the Netcode for GameObjects team

[dramare]

Actual Outcome

A new player prefab would not spawn in.

Expected Outcome

Player should spawn in via network manager.

Screenshots

If applicable, add screenshots to help explain your problem.

Environment

• OS: [Windows 10]
• Unity Version: [Unity 6.0 LTS]
• Netcode Version: [2.7.0]
• Netcode Commit: [e.g. https://github.com/Unity-Technologies/com.unity.netcode.gameobjects/commit/ba418fa5b600ad9eb61fab0575f12fbecc2c6520]
• Netcode Topology: [Client-Server]

Additional Context

The full error that came up.

[Netcode] A ConnectionRequestMessage was received from a client when the connection has already been established. NetworkTransport: Unity.Netcode.Transports.UTP.UnityTransport UnityTransportProtocol: UnityTransport. This should not happen. Please report this to the Netcode for GameObjects team at https://github.com/Unity-Technologies/com.unity.netcode.gameobjects/issues and include the following data: Message Size: 170. Message Content: 02 02 7d 9a e2 a5 21 b2 36 17 b3 11 46 c4 ca 04 01 2a b2 f1 50 01 e9 3a b6 d2 01 39 3b e8 2c 01 ab c9 50 60 01 53 a3 38 44 21 d3 f6 1c b8 01 7f 10 0d af 01 f3 a2 4a 4a 01 a6 22 89 97 01 e9 4e 31 0d 01 b5 fe 01 74 11 be 97 be 73 01 bd 23 d8 d0 01 58 aa fb 1c 01 9d 9a 5c 01 01 e9 51 97 17 01 8a f7 e7 83 01 ee 80 1f c6 01 42 7f 88 c6 01 97 a3 f5 46 01 c2 40 2e a3 01 4e 67 03 d2 01 00 00 00 00 01 00 00 00 00 01 00 00 00 00 01 00 00 00 00 01 00 00 00 00 01 00 00 00 00 01 00 00 00 00 01 15 20 0f e8 91 74 be df
UnityEngine.Debug:LogError (object)
Unity.Netcode.NetworkLog:LogError (string) (at ./Library/PackageCache/com.unity.netcode.gameobjects@bd2a018756ed/Runtime/Logging/NetworkLog.cs:34)
Unity.Netcode.NetworkManagerHooks:OnVerifyCanReceive (ulong,System.Type,Unity.Netcode.FastBufferReader,Unity.Netcode.NetworkContext&) (at ./Library/PackageCache/com.unity.netcode.gameobjects@bd2a018756ed/Runtime/Messaging/NetworkManagerHooks.cs:82)
Unity.Netcode.NetworkMessageManager:CanReceive (ulong,System.Type,Unity.Netcode.FastBufferReader,Unity.Netcode.NetworkContext&) (at ./Library/PackageCache/com.unity.netcode.gameobjects@bd2a018756ed/Runtime/Messaging/NetworkMessageManager.cs:315)
Unity.Netcode.NetworkMessageManager:HandleMessage (Unity.Netcode.NetworkMessageHeader&,Unity.Netcode.FastBufferReader,ulong,single,int) (at ./Library/PackageCache/com.unity.netcode.gameobjects@bd2a018756ed/Runtime/Messaging/NetworkMessageManager.cs:397)
Unity.Netcode.NetworkMessageManager:ProcessIncomingMessageQueue () (at ./Library/PackageCache/com.unity.netcode.gameobjects@bd2a018756ed/Runtime/Messaging/NetworkMessageManager.cs:448)
Unity.Netcode.NetworkManager:NetworkUpdate (Unity.Netcode.NetworkUpdateStage) (at ./Library/PackageCache/com.unity.netcode.gameobjects@bd2a018756ed/Runtime/Core/NetworkManager.cs:349)
Unity.Netcode.NetworkUpdateLoop:RunNetworkUpdateStage (Unity.Netcode.NetworkUpdateStage) (at ./Library/PackageCache/com.unity.netcode.gameobjects@bd2a018756ed/Runtime/Core/NetworkUpdateLoop.cs:191)
Unity.Netcode.NetworkUpdateLoop/NetworkEarlyUpdate/<>c:b__0_0 () (at ./Library/PackageCache/com.unity.netcode.gameobjects@bd2a018756ed/Runtime/Core/NetworkUpdateLoop.cs:214)

It only comes up on this RPC, gSpawnedFighter is just a basic character controller. And when I note out the gSpawned fighter spawning bit of the code everything works. I'm a terrible programmer so I wouldnt be shocked if its something of how I declared it.

public void VoidAddPlayerRpc(byte byteCharacter)
{

    if ((gPlayer.Count > 0))
    {
        gPlayer.Clear();
    }
    var foundPlayer = FindObjectsByType<LocalPlayerController>(FindObjectsSortMode.None);


    foreach (var player in foundPlayer)
    {
        print("Looping character spawn");

        if (byteCharacter == 0)
        {
            break;
        }
        else if (player.gCurrentFighter == null)

        {
            //GameObject gSpawnedFighter = VoidSpawnCharacter(byteCharacter, player.GetComponent<LocalPlayerController>());  
            NetworkObject gSpawnedFighter;

            if (byteCharacter == 1)
            {
                print("Attempting to spawn character");

                gSpawnedFighter = NetworkManager.SpawnManager.InstantiateAndSpawn(gSwordBase, player.NetworkObjectId,true,true,false,vPlayer1Spawn,Quaternion.identity);


                gSpawnedFighter.GetComponent<NetworkObject>().TrySetParent(player.NetworkObject);
                player.GetComponent<LocalPlayerController>().gCurrentFighter = gSpawnedFighter;




            }

            break;

        }
    }

[NoelStephensUnity]

HI @dramare ,

Could provide a bit more information?

• The Rpc attribute and properties used for VoidAddPlayerRpc.
• The script that would invoke VoidAddPlayerRpc and/or describe when it would be invoked?

Also, if there are any additional warnings or errors prior to getting that message that would be helpful too.

[NoelStephensUnity]

Hi @dramare,
On the host or server side, do you notice any exceptions occurring:

• prior to starting the NetworkManager
• while NetworkManager is starting
• Or it appears immediately after having started NetworkManager

[github-actions]

This issue has been automatically marked as stale because it has been awaiting response for over 30 days without any activity.
Please update the issue with any new information or it may be closed in 30 days.

[github-actions]

This issue has been automatically closed because it has been stale for 30 days without any activity. Feel free to reopen if you have new information to add.