NetworkReader:ReadByte out of range:NetBuf sz:35 pos:35 [Solved]

I’m getting this IndexOutOfRangeException: NetworkReader:ReadByte out of range:NetBuf sz:35 pos: when i try to play my game with a friend using the matchmaking, but when i do it with 2 clients on my computer also using the matchmaking this error don’t appear works just fine.

Any idea what may be causing this ?

Show us the code that this error points to.

It’s some kind of internal error, if i double click it nothing happens. As you can see on the print the error is at NetworkBuffer.cs this is a Unity built in class.

Turns out my friend was using an old build from GitHub…