rg.bukkit.command.CommandException: Unhandled exception executing command 'iceafk' in plugin IceAFK v2.0.1
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        at org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServer.java:650) ~[spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        at org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchServerCommand(CraftServer.java:636) [spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        at net.minecraft.server.v1_11_R1.DedicatedServer.aM(DedicatedServer.java:437) [spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:400) [spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:675) [spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:574) [spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_121]
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.v1_11_R1.command.ColouredConsoleSender cannot be cast to org.bukkit.entity.Player
        at net.IceRhal.IceAFK.Cmd.onCommand(Cmd.java:20) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.11.2.jar:git-Spigot-b32c8f8-4d3bf20]
        ... 8 more