[22:46:32 INFO]: the456gamer issued server command: /skyblock language
[22:46:32 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing 'skyblock language' in world.bentobox.bskyblock.commands.IslandCommand(skyblock)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:148) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:704) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.PlayerConnection.handleCommand(PlayerConnection.java:1621) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1461) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:45) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:1) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:9) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) [?:?]
        at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
        at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:896) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:417) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:831) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:729) [spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        at java.lang.Thread.run(Thread.java:834) [?:?]
Caused by: java.lang.StringIndexOutOfBoundsException: begin 0, end 1, length 0
        at java.lang.String.checkBoundsBeginEnd(String.java:3319) ~[?:?]
        at java.lang.String.substring(String.java:1874) ~[?:?]
        at world.bentobox.bentobox.panels.LanguagePanel.fancyLocaleDisplayName(LanguagePanel.java:82) ~[?:?]
        at world.bentobox.bentobox.panels.LanguagePanel.openPanel(LanguagePanel.java:46) ~[?:?]
        at world.bentobox.bentobox.api.commands.island.IslandLanguageCommand.execute(IslandLanguageCommand.java:27) ~[?:?]
        at world.bentobox.bentobox.api.commands.CompositeCommand.call(CompositeCommand.java:260) ~[?:?]
        at world.bentobox.bentobox.api.commands.CompositeCommand.execute(CompositeCommand.java:233) ~[?:?]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.13.2.jar:git-Spigot-1a3504a-84f3da3]
        ... 14 more