Exception if you execute a command from rcon

[Narimm]

08:45:58 [ hardcore]: An unexpected exception occurred during the execution of a script.
08:45:58 [ hardcore]: org.bukkit.command.CommandException: Unhandled exception executing command 'th' in plugin TrueHardcore v1.4-SNAPSHOT-212
08:45:58 [ hardcore]: at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47)
08:45:58 [ hardcore]: at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159)
08:45:58 [ hardcore]: at org.bukkit.craftbukkit.v1_16_R1.CraftServer.dispatchCommand(CraftServer.java:794)
08:45:58 [ hardcore]: An unexpected exception occurred during the execution of your script. Please check the console for more information.
08:45:58 [ hardcore]: at com.laytonsmith.abstraction.bukkit.BukkitMCServer.dispatchCommand(BukkitMCServer.java:108)
08:45:58 [ hardcore]: at com.laytonsmith.core.AliasCore.lambda$alias$0(AliasCore.java:162)
08:45:58 [ hardcore]: at com.laytonsmith.core.MethodScriptCompiler.execute(MethodScriptCompiler.java:2781)
08:45:58 [ hardcore]: at com.laytonsmith.core.MethodScriptCompiler.execute(MethodScriptCompiler.java:2729)
08:45:58 [ hardcore]: at com.laytonsmith.core.Script.run(Script.java:200)
08:45:58 [ hardcore]: at com.laytonsmith.core.AliasCore.alias(AliasCore.java:148)
08:45:58 [ hardcore]: at com.laytonsmith.commandhelper.CommandHelperServerListener.onServerCommand(CommandHelperServerListener.java:48)
08:45:58 [ hardcore]: at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor440.execute(Unknown Source)
08:45:58 [ hardcore]: at org.bukkit.plugin.EventExecutor.lambda$create$1(EventExecutor.java:69)
08:45:58 [ hardcore]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
08:45:58 [ hardcore]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
08:45:58 [ hardcore]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:607)
08:45:58 [ hardcore]: at au.com.addstar.rcon.NetHandler$1.run(NetHandler.java:51)
08:45:58 [ hardcore]: at org.bukkit.craftbukkit.v1_16_R1.scheduler.CraftTask.run(CraftTask.java:99)
08:45:58 [ hardcore]: at org.bukkit.craftbukkit.v1_16_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:468)
08:45:58 [ hardcore]: at net.minecraft.server.v1_16_R1.MinecraftServer.b(MinecraftServer.java:1292)
08:45:58 [ hardcore]: at net.minecraft.server.v1_16_R1.DedicatedServer.b(DedicatedServer.java:377)
08:45:58 [ hardcore]: at net.minecraft.server.v1_16_R1.MinecraftServer.a(MinecraftServer.java:1213)
08:45:58 [ hardcore]: at net.minecraft.server.v1_16_R1.MinecraftServer.v(MinecraftServer.java:1001)
08:45:58 [ hardcore]: at net.minecraft.server.v1_16_R1.MinecraftServer.lambda$a$0(MinecraftServer.java:177)
08:45:58 [ hardcore]: at java.lang.Thread.run(Thread.java:748)
08:45:58 [ hardcore]: Caused by: java.lang.ClassCastException: au.com.addstar.rcon.UserCommandSender cannot be cast to org.bukkit.entity.Player
08:45:58 [ hardcore]: at au.com.addstar.truehardcore.commands.CommandTH.onCommand(CommandTH.java:107)
08:45:58 [ hardcore]: at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
08:45:58 [ hardcore]: ... 23 more
08:46:01 [ survival]: [PLAYER_COMMA