[08:52:38] [Server thread/ERROR] [FML]: FMLIndexedMessageCodec exception caught
io.netty.handler.codec.EncoderException: java.lang.RuntimeException: Undefined discriminator for message type DimensionPermissionPacket in channel jm_dim_permission
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:106) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.handler.codec.MessageToMessageCodec.write(MessageToMessageCodec.java:116) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:801) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:814) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:794) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:831) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1032) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:296) ~[minecraft_server.1.12.2.jar:?]
	at net.minecraftforge.fml.common.network.simpleimpl.SimpleNetworkWrapper.sendTo(SimpleNetworkWrapper.java:250) [SimpleNetworkWrapper.class:?]
	at journeymap.common.network.PacketHandler.sendDimensionPacketToPlayer(PacketHandler.java:60) [PacketHandler.class:1.12.2-5.5.2]
	at journeymap.server.events.ForgeEvents.on(ForgeEvents.java:68) [ForgeEvents.class:1.12.2-5.5.2]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_2161_ForgeEvents_on_EntityJoinWorldEvent.invoke(.dynamic) [?:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) [ASMEventHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182) [EventBus.class:?]
	at net.minecraft.world.World.func_72838_d(World.java:1205) [amu.class:?]
	at net.minecraft.world.WorldServer.func_72838_d(WorldServer.java:1058) [oo.class:?]
	at net.minecraft.server.management.PlayerList.transferEntityToWorld(PlayerList.java:721) [pl.class:?]
	at net.minecraft.server.management.PlayerList.transferPlayerToDimension(PlayerList.java:623) [pl.class:?]
	at net.minecraft.entity.player.EntityPlayerMP.changeDimension(EntityPlayerMP.java:695) [oq.class:?]
	at com.feed_the_beast.ftblib.lib.math.TeleporterDimPos.teleport(TeleporterDimPos.java:81) [TeleporterDimPos.class:?]
	at com.feed_the_beast.ftbutilities.data.FTBUtilitiesPlayerData$TeleportTask.execute(FTBUtilitiesPlayerData.java:116) [FTBUtilitiesPlayerData$TeleportTask.class:?]
	at com.feed_the_beast.ftbutilities.data.FTBUtilitiesPlayerData$Timer.teleport(FTBUtilitiesPlayerData.java:75) [FTBUtilitiesPlayerData$Timer.class:?]
	at com.feed_the_beast.ftbutilities.data.FTBUtilitiesPlayerData$Timer.teleport(FTBUtilitiesPlayerData.java:81) [FTBUtilitiesPlayerData$Timer.class:?]
	at com.feed_the_beast.ftbutilities.command.tp.CmdHome.func_184881_a(CmdHome.java:125) [CmdHome.class:?]
	at com.feed_the_beast.ftbutilities.ranks.CommandOverride.func_184881_a(CommandOverride.java:83) [CommandOverride.class:?]
	at net.minecraft.command.CommandHandler.func_175786_a(CommandHandler.java:119) [bj.class:?]
	at net.minecraft.command.CommandHandler.func_71556_a(CommandHandler.java:91) [bj.class:?]
	at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:958) [pa.class:?]
	at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:937) [pa.class:?]
	at net.minecraft.network.play.client.CPacketChatMessage.func_148833_a(SourceFile:37) [la.class:?]
	at net.minecraft.network.play.client.CPacketChatMessage.func_148833_a(SourceFile:9) [la.class:?]
	at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) [hv$1.class:?]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_162]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_162]
	at net.minecraft.util.Util.func_181617_a(SourceFile:46) [h.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:723) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:396) [nz.class:?]
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162]
Caused by: java.lang.RuntimeException: Undefined discriminator for message type DimensionPermissionPacket in channel jm_dim_permission
	at net.minecraftforge.fml.common.network.FMLIndexedMessageToMessageCodec.encode(FMLIndexedMessageToMessageCodec.java:72) ~[FMLIndexedMessageToMessageCodec.class:?]
	at io.netty.handler.codec.MessageToMessageCodec$1.encode(MessageToMessageCodec.java:67) ~[minecraft_server.1.12.2.jar:?]
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:88) ~[minecraft_server.1.12.2.jar:?]
	... 40 more