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Failed to find class: net.minecraft.server.v1_7_R1.Packet
java.lang.RuntimeException: Failed to find class: net.minecraft.server.v1_7_R1.Packet	at com.dsh105.holoapi.reflection.utility.ClassPackageMapper.getClass(ClassPackageMapper.java:52)	at com.dsh105.holoapi.reflection.utility.CommonReflection.getMinecraftClass(CommonReflection.java:227)	at com.dsh105.holoapi.util.ReflectionUtil.getNMSClass(ReflectionUtil.java:77)	at com.dsh105.holoapi.util.wrapper.protocol.Packet.(Packet.java:56)	at com.dsh105.holoapi.util.wrapper.protocol.Packet.(Packet.java:40)	at com.dsh105.holoapi.util.wrapper.WrapperPacketAttachEntity.(WrapperPacketAttachEntity.java:27)	at com.dsh105.holoapi.api.Hologram.generate(Hologram.java:742)	at com.dsh105.holoapi.api.Hologram.show(Hologram.java:618)	at com.dsh105.holoapi.api.Hologram.show(Hologram.java:587)	at com.dsh105.holoapi.api.HologramFactory.build(HologramFactory.java:252)	at com.dsh105.holoapi.conversation.InputSuccessPrompt.getPromptText(InputSuccessPrompt.java:40)	at org.bukkit.conversations.Conversation.outputNextPrompt(Conversation.java:291)	at org.bukkit.conversations.Conversation.acceptInput(Conversation.java:230)	at org.bukkit.craftbukkit.v1_7_R1.conversations.ConversationTracker.acceptConversationInput(ConversationTracker.java:52)	at org.bukkit.craftbukkit.v1_7_R1.entity.CraftPlayer.acceptConversationInput(CraftPlayer.java:998)	at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:1140)	at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(C01PacketChatMessage.java:38)	at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(C01PacketChatMessage.java:53)	at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:99)	at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:310)	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:98)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)	at cpw.mods.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:193)	at cpw.mods.fml.common.network.handshake.NetworkDispatcher.channelRead0(NetworkDispatcher.java:43)	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:98)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:173)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:173)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)	at io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:149)	at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337)	at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323)	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785)	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:100)	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:480)	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:447)	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:341)	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101)	at java.lang.Thread.run(Thread.java:745)