[17:02:58 ERROR]: Could not pass event PlayerJoinEvent to CasualProtector v3.8.4.12-SNAPSHOT
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.PlayerList.onPlayerJoin(PlayerList.java:314) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.PlayerList.a(PlayerList.java:173) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.LoginListener.b(LoginListener.java:146) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.LoginListener.c(LoginListener.java:56) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:231) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:148) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:875) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [spigot.jar:git-PaperSpigot-"4c7641d"]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: org.bukkit.plugin.messaging.ChannelNotRegisteredException: Attempted to send a plugin message through the unregistered channel `FML|HS'.
        at org.bukkit.plugin.messaging.StandardMessenger.validatePluginMessage(StandardMessenger.java:490) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer.sendPluginMessage(CraftPlayer.java:1136) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        at xyz.yooniks.protector.bukkit.listener.packet.pluginmessage.ForgeListener.onJoin(ya:133) ~[casual-protector-v3.8.4.12.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_222]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_222]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_222]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_222]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[spigot.jar:git-PaperSpigot-"4c7641d"]
        ... 15 more