Some Minecraft users see an error message saying Connection Lost, Internal Exception: java.io.IOException, An existing connection was forcibly closed by the remote ...
Because LightAntiCheat directly depends on this internal Mojang API, it now breaks when the server runs on newer Paper versions. Recommended Fix Instead of using Mojang’s internal GameProfile, simply ...
when ever i try joining a server world or enter or create a single player world this message shows up.