Hi I am getting this weird error when I type in the the command I have setup. Code: [05:27:39] [Server thread/INFO]: chasertw123 issued server command: /sjp [05:27:39] [Server thread/ERROR]: null org.bukkit.command.CommandException: Unhandled exception executing command 'sjp' in plugin SuperJumpPlus v1.0 at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot.jar:git-Spigot-1235] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196) ~[spigot.jar:git-Spigot-1235] at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:546) ~[spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:962) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:817) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:65) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:147) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:657) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:540) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:446) [spigot.jar:git-Spigot-1235] at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1235] Caused by: java.lang.NullPointerException at me.chasertw123.SuperJumpPlus.SuperJumpPlus.onCommand(SuperJumpPlus.java:47) ~[?:?] at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot.jar:git-Spigot-1235] ... 13 more Here is a link to my soruce code: <Removed since using unofficial build - Necrodoom>