[20:48:31] [Server thread/INFO]: _Red_Eye_ issued server command: /Luckydraw Give _Red_Eye_
[20:48:31] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'luckydraw' in plugin LuckyDraw v0.2
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot.jar:git-Spigot-1338]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:175) ~[spigot.jar:git-Spigot-1338]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:706) ~[spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:984) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:829) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:65) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:147) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(ServerConnection.java:77) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:700) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:562) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:469) [spigot.jar:git-Spigot-1338]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1338]
Caused by: java.lang.NumberFormatException: null
	at java.lang.Integer.parseInt(Integer.java:454) ~[?:1.7.0_40]
	at java.lang.Integer.parseInt(Integer.java:527) ~[?:1.7.0_40]
	at com.veyern.PluginCommandExecutor.onCommand(PluginCommandExecutor.java:63) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot.jar:git-Spigot-1338]
	... 13 more