org.bukkit.command.CommandException: Unhandled exception executing command 'particlegui' in plugin ParticleGUI v1.0
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot.jar:git-Spigot-c3c767f-33d5de3]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot.jar:git-Spigot-c3c767f-33d5de3]
	at org.bukkit.craftbukkit.v1_8_R1.CraftServer.dispatchCommand(CraftServer.java:646) ~[spigot.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.PlayerConnection.handleCommand(PlayerConnection.java:1115) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:950) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.PacketPlayInChat.a(PacketPlayInChat.java:26) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.PacketPlayInChat.a(PacketPlayInChat.java:53) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_25]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_25]
	at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:696) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:634) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:537) [spigot.jar:git-Spigot-c3c767f-33d5de3]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_25]
Caused by: java.lang.ExceptionInInitializerError
	at me.seanliam2000.ParticleGUI.Main.onCommand(Main.java:19) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot.jar:git-Spigot-c3c767f-33d5de3]
	... 14 more
Caused by: java.lang.NullPointerException
	at me.seanliam2000.ParticleGUI.utils.IconMenu.<init>(IconMenu.java:36) ~[?:?]
	at me.seanliam2000.ParticleGUI.ParticleMenu.<clinit>(ParticleMenu.java:12) ~[?:?]
	at me.seanliam2000.ParticleGUI.Main.onCommand(Main.java:19) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot.jar:git-Spigot-c3c767f-33d5de3]
	... 14 more
[20:11:08] [Server thread/INFO]: Stopping the server
[20:11:08] [Server thread/INFO]: Stopping server
[20:11:08] [Server thread/INFO]: [SkQuery] Disabling SkQuery v3.21.4
[20:11:08] [Server thread/INFO]: [EssentialsAntiBuild] Disabling EssentialsAntiBuild v2.13.1
[20:11:08] [Server thread/INFO]: [WildSkript] Disabling WildSkript v1.8
[20:11:08] [Server thread/INFO]: [HeapDump] Disabling HeapDump v1.4.0
[20:11:08] [Server thread/INFO]: [EssentialsProtect] Disabling EssentialsProtect v2.13.1
[20:11:08] [Server thread/INFO]: [ParticleGUI] Disabling ParticleGUI v1.0
[20:11:08] [Server thread/INFO]: [Skript] Disabling Skript v2.1.2
[20:11:08] [Server thread/INFO]: [DoubleStepPlacer] Disabling DoubleStepPlacer v1.0
[20:11:08] [Server thread/INFO]: Saving players
[20:11:08] [Server thread/INFO]: seanliam2000 lost connection: Server closed
[20:11:08] [Server thread/INFO]: seanliam2000 left the game.
[20:11:08] [Server thread/INFO]: Saving worlds
[20:11:08] [Server thread/INFO]: Saving chunks for level 'world'/Overworld
[20:11:08] [Server thread/INFO]: Saving chunks for level 'world_nether'/Nether
[20:11:08] [Server thread/INFO]: Saving chunks for level 'world_the_end'/The End