[14:23:52 INFO]: Shycor issued server command: /clan migrate
[14:23:52 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'clan' in plugin AdvancedClans v1.0.4
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) ~[Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_191]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_191]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
Caused by: java.lang.NullPointerException
        at java.util.Objects.requireNonNull(Objects.java:203) ~[?:1.8.0_191]
        at java.util.Arrays$ArrayList.<init>(Arrays.java:3813) ~[?:1.8.0_191]
        at java.util.Arrays.asList(Arrays.java:3800) ~[?:1.8.0_191]
        at me.jose.finalclans.utils.migrator.ClansMigrator.<init>(ClansMigrator.java:27) ~[AdvancedClans-1.0.4.jar:?]
        at me.jose.finalclans.commands.ClanCommand.onCommand(ClanCommand.java:1205) ~[AdvancedClans-1.0.4.jar:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[Skypvp.jar:git-Spigot-21fe707-e1ebe52]
        ... 15 more