s invite

[20:29:02 ERROR]: Unhandled exception executing command 's' in plugin Kingdoms v1.1
org.bukkit.command.CommandException: Unhandled exception executing command 's' in plugin Kingdoms v1.1
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[Paper.jar:git-Paper-1404]
        at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:441) ~[?:?]
        at com.earth2me.essentials.Essentials.onCommand(Essentials.java:430) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[Paper.jar:git-Paper-1404]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:151) ~[Paper.jar:git-Paper-1404]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:685) ~[Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1472) ~[Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1277) ~[Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) ~[Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[Paper.jar:git-Paper-1404]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_171]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_171]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:843) [Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:427) [Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:767) [Paper.jar:git-Paper-1404]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665) [Paper.jar:git-Paper-1404]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]
Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
        at me.crz.minecraft.kingdoms.command.village.VillageInviteCommand.run(VillageInviteCommand.java:35) ~[?:?]
        at me.crz.minecraft.kingdoms.command.VillageCommand.run(VillageCommand.java:112) ~[?:?]
        at me.crz.minecraft.kingdoms.command.VillageCommand.onCommand(VillageCommand.java:126) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[Paper.jar:git-Paper-1404]
        ... 18 more