/votes error

[10:08:19 INFO]: uoe issued server command: /votes
[10:08:19 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'votes' in plugin VotifierCount v2.0.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot.jar:git-Spigot-1228]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196) ~[spigot.jar:git-Spigot-1228]
        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:546) ~[spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:960) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:815) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:65) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:147) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:657) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:540) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:446) [spigot.jar:git-Spigot-1228]
        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1228]
Caused by: java.lang.NullPointerException
        at com.gmail.louis1234567890987654321.votifiercount.VotifierCount.onCommand(VotifierCount.java:186) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot.jar:git-Spigot-1228]
        ... 13 more