[18:19:33 INFO]: xXAmyLouiseXx issued server command: /in give Tent01 xx 1
[18:19:33 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'in'
in plugin iN_Blocks v0.5.5
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[ser
ver.jar:git-Spigot-f928e7a-994b2aa]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:14
1) ~[server.jar:git-Spigot-f928e7a-994b2aa]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServe
r.java:642) ~[server.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerCon
nection.java:1135) [server.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java
:970) [server.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java
:45) [server.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java
:1) [server.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:1
3) [server.jar:git-Spigot-f928e7a-994b2aa]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [
?:1.8.0_51]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_51]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SystemUtils.java:19) [serv
er.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:7
18) [server.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:3
67) [server.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:6
57) [server.jar:git-Spigot-f928e7a-994b2aa]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java
:560) [server.jar:git-Spigot-f928e7a-994b2aa]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_51]
Caused by: java.lang.NullPointerException
        at creeoer.iN_Blocks.main.Commands.onCommand(Commands.java:86) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[ser
ver.jar:git-Spigot-f928e7a-994b2aa]
        ... 15 more
>