[17:51:40] [Server thread/ERROR] [FML]: FMLIndexedMessageCodec exception caught
java.lang.RuntimeException: Missing
	at cpw.mods.fml.server.FMLServerHandler.getClientToServerNetworkManager(FMLServerHandler.java:238) ~[FMLServerHandler.class:?]
	at cpw.mods.fml.common.FMLCommonHandler.getClientToServerNetworkManager(FMLCommonHandler.java:530) ~[FMLCommonHandler.class:?]
	at cpw.mods.fml.common.network.FMLOutboundHandler$OutboundTarget$8.selectNetworks(FMLOutboundHandler.java:225) ~[FMLOutboundHandler$OutboundTarget$8.class:?]
	at cpw.mods.fml.common.network.FMLOutboundHandler.write(FMLOutboundHandler.java:273) ~[FMLOutboundHandler.class:?]
	at io.netty.channel.DefaultChannelHandlerContext.invokeWrite(DefaultChannelHandlerContext.java:644) ~[DefaultChannelHandlerContext.class:?]
	at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:698) ~[DefaultChannelHandlerContext.class:?]
	at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:637) ~[DefaultChannelHandlerContext.class:?]
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:115) ~[MessageToMessageEncoder.class:?]
	at io.netty.handler.codec.MessageToMessageCodec.write(MessageToMessageCodec.java:116) ~[MessageToMessageCodec.class:?]
	at io.netty.channel.DefaultChannelHandlerContext.invokeWrite(DefaultChannelHandlerContext.java:644) ~[DefaultChannelHandlerContext.class:?]
	at io.netty.channel.DefaultChannelHandlerContext.write(DefaultChannelHandlerContext.java:698) ~[DefaultChannelHandlerContext.class:?]
	at io.netty.channel.DefaultChannelHandlerContext.writeAndFlush(DefaultChannelHandlerContext.java:688) ~[DefaultChannelHandlerContext.class:?]
	at io.netty.channel.DefaultChannelHandlerContext.writeAndFlush(DefaultChannelHandlerContext.java:717) ~[DefaultChannelHandlerContext.class:?]
	at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:893) ~[DefaultChannelPipeline.class:?]
	at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:239) ~[AbstractChannel.class:?]
	at cpw.mods.fml.common.network.simpleimpl.SimpleNetworkWrapper.sendToServer(SimpleNetworkWrapper.java:236) [SimpleNetworkWrapper.class:?]
	at com.forgewareinc.elrol.guiElevator.Elevator.onBlockPlaced(Elevator.java:171) [Elevator.class:?]
	at net.minecraft.item.ItemBlock.onItemUse(ItemBlock.java:114) [ItemBlock.class:?]
	at net.minecraftforge.common.ForgeHooks.onPlaceItemIntoWorld(ForgeHooks.java:507) [ForgeHooks.class:?]
	at net.minecraft.item.ItemStack.tryPlaceItemIntoWorld(ItemStack.java:142) [ItemStack.class:?]
	at net.minecraft.server.management.ItemInWorldManager.activateBlockOrUseItem(ItemInWorldManager.java:422) [ItemInWorldManager.class:?]
	at net.minecraft.network.NetHandlerPlayServer.processPlayerBlockPlacement(NetHandlerPlayServer.java:593) [NetHandlerPlayServer.class:?]
	at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.processPacket(C08PacketPlayerBlockPlacement.java:74) [C08PacketPlayerBlockPlacement.class:?]
	at net.minecraft.network.play.client.C08PacketPlayerBlockPlacement.processPacket(C08PacketPlayerBlockPlacement.java:122) [C08PacketPlayerBlockPlacement.class:?]
	at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:241) [NetworkManager.class:?]
	at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:182) [NetworkSystem.class:?]
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:726) [MinecraftServer.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.updateTimeLightAndEntities(DedicatedServer.java:349) [DedicatedServer.class:?]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:614) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:485) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:752) [MinecraftServer$2.class:?]