[09:58:37 INFO]: Dpatau[/127.0.0.1:59335] logged in with entity id 19915209 at ([world]351.4669810547347, 180.0, -294.53271986058064)
[09:58:37 ERROR]: Couldn't register custom payload
java.lang.IllegalStateException: Too many channels registered
        at com.google.common.base.Preconditions.checkState(Preconditions.java:444) ~[patched_1.12.2.jar:git-Paper-1618]
        at org.bukkit.craftbukkit.v1_12_R1.entity.CraftPlayer.addChannel(CraftPlayer.java:1366) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:2740) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PacketPlayInCustomPayload.a(SourceFile:58) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PacketPlayInCustomPayload.a(SourceFile:8) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1618]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_241]
        at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_241]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1618]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1618]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_241]
[09:58:37 INFO]: Dpatau lost connection: Invalid payload REGISTER!
[09:58:37 INFO]: [-] Dpatau has left this server.