Error: Could not send P2P packet to ...

Any hints about what may cause this?

I am using Bolt with Steam integration.
It seems only reliable channel will cause this.

Could not send P2P packet to 76561197999970174
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])
UnityEngine.Logger:Log(LogType, Object)
BoltCore:UdpLogWriter(UInt32, String)
UdpKit.UdpLog:Write(UInt32, String)
UdpKit.UdpLog:Error(String, Object[])


  • it turns out it is the packet size can not be over 1200 byte.
    is this limitation on the Steam side or the Bolt side?
    if it is on the Bolt side, any way to tweak it? The "packet size" in the bolt settings doesn't work
  • The Steam integration in deprecated so there's not much I can suggest. I don't believe this issue exists outside of the Steam integration.
  • Fine... In Bolt there is no such problem, but there are other weird issues so we try to switch to a new version.
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