org.bukkit.command.CommandException: Unhandled exception executing command 'holo' in plugin HoloAPI v1.0.0


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Unhandled exception executing command 'holo' in plugin HoloAPI v1.0.0

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Stack trace

org.bukkit.command.CommandException: Unhandled exception executing command 'holo' in plugin HoloAPI v1.0.0
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)[craftbukkit.jar:git-Spigot-1309]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:199)[craftbukkit.jar:git-Spigot-1309]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:547)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:972)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:817)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:65)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:147)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(ServerConnection.java:77)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:698)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:560)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:467)[craftbukkit.jar:git-Spigot-1309]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)[craftbukkit.jar:git-Spigot-1309]
Caused by: java.lang.NullPointerException
	at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(Unknown Source)[?:1.7.0_51]
	at sun.reflect.UnsafeObjectFieldAccessorImpl.get(Unknown Source)[?:1.7.0_51]
	at java.lang.reflect.Field.get(Unknown Source)[?:1.7.0_51]
	at com.dsh105.holoapi.util.ReflectionUtil.getField(ReflectionUtil.java:56)[?:?]
	at com.dsh105.holoapi.util.PlayerUtil.getPlayerConnection(PlayerUtil.java:32)[?:?]
	at com.dsh105.holoapi.util.PlayerUtil.sendPacket(PlayerUtil.java:14)[?:?]
	at com.dsh105.holoapi.util.wrapper.protocol.Packet.send(Packet.java:40)[?:?]
	at com.dsh105.holoapi.api.Hologram.generate(Hologram.java:252)[?:?]
	at com.dsh105.holoapi.api.Hologram.show(Hologram.java:167)[?:?]
	at com.dsh105.holoapi.api.Hologram.show(Hologram.java:155)[?:?]
	at com.dsh105.holoapi.api.HologramFactory.build(HologramFactory.java:106)[?:?]
	at com.dsh105.holoapi.command.HoloCommand.onCommand(HoloCommand.java:114)[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)[craftbukkit.jar:git-Spigot-1309]
	... 13 more

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