[12:50:45 INFO]: Failed to send packet for player (Packet209SetScoreboardTeam) : [12:50:45 WARN]: java.lang.IllegalArgumentException: Can not set java.util.Collection field net.minecraft.server.v1_8_R3.PacketPlayOutScoreboardTeam.g to java.lang.Integer [12:50:45 WARN]: at java.base/jdk.internal.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167) [12:50:45 WARN]: at java.base/jdk.internal.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:171) [12:50:45 WARN]: at java.base/jdk.internal.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImpl.java:81) [12:50:45 WARN]: at java.base/java.lang.reflect.Field.set(Field.java:793) [12:50:45 WARN]: at ca.wacos.nametagedit.PacketPlayOut.setField(PacketPlayOut.java:110) [12:50:45 WARN]: at ca.wacos.nametagedit.PacketPlayOut.<init>(PacketPlayOut.java:66) [12:50:45 WARN]: at ca.wacos.nametagedit.NametagManager.sendTeamsToPlayer(NametagManager.java:369) [12:50:45 WARN]: at ca.wacos.nametagedit.NametagEventHandler.onPlayerJoin(NametagEventHandler.java:38) [12:50:45 WARN]: at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [12:50:45 WARN]: at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) [12:50:45 WARN]: at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [12:50:45 WARN]: at java.base/java.lang.reflect.Method.invoke(Method.java:567) [12:50:45 WARN]: at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) [12:50:45 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [12:50:45 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [12:50:45 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.PlayerList.onPlayerJoin(PlayerList.java:298) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.PlayerList.a(PlayerList.java:157) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.LoginListener.b(LoginListener.java:144) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.LoginListener.c(LoginListener.java:54) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:231) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.ServerConnection.c(ServerConnection.java:148) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:814) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [12:50:45 WARN]: at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [12:50:45 WARN]: at java.base/java.lang.Thread.run(Thread.java:831)