ClassCastException while executing `#gc`

[ZacSharp]

Some information

Operating system: Linux 5.15.0-47-generic
Java version: 1.8.0_342
Minecraft version: 1.12.2 Minecraft 1.12.2
Baritone version: 1.2.15
Other mods (if used):

Exception, error or logs

stacktrace

baritone.api.command.exception.CommandUnhandledException: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
	at baritone.command.manager.CommandManager$ExecutionWrapper.execute(CommandManager.java:143)
	at baritone.command.manager.CommandManager$ExecutionWrapper.access$000(CommandManager.java:127)
	at baritone.command.manager.CommandManager.execute(CommandManager.java:83)
	at baritone.command.ExampleBaritoneControl.runCommand(ExampleBaritoneControl.java:146)
	at baritone.command.ExampleBaritoneControl.onSendChatMessage(ExampleBaritoneControl.java:71)
	at baritone.event.GameEventHandler.lambda$onSendChatMessage$2(GameEventHandler.java:69)
	at java.util.concurrent.CopyOnWriteArrayList.forEach(CopyOnWriteArrayList.java:895)
	at baritone.event.GameEventHandler.onSendChatMessage(GameEventHandler.java:69)
	at net.minecraft.client.entity.EntityPlayerSP.handler$sendChatMessage$zze000(EntityPlayerSP.java:1416)
	at net.minecraft.client.entity.EntityPlayerSP.sendChatMessage(EntityPlayerSP.java)
	at net.minecraft.client.gui.GuiScreen.sendChatMessage(GuiScreen.java:456)
	at net.minecraft.client.gui.GuiScreen.sendChatMessage(GuiScreen.java:446)
	at net.minecraft.client.gui.GuiChat.keyTyped(GuiChat.java:126)
	at net.minecraft.client.gui.GuiScreen.handleKeyboardInput(GuiScreen.java:607)
	at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:556)
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1852)
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1165)
	at net.minecraft.client.Minecraft.run(Minecraft.java:439)
	at net.minecraft.client.main.Main.main(Main.java:115)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:97)
	at GradleStart.main(GradleStart.java:25)
Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.String
	at baritone.command.defaults.GcCommand.execute(GcCommand.java:38)
	at baritone.command.manager.CommandManager$ExecutionWrapper.execute(CommandManager.java:140)
	... 30 more

Exception UID: -29006191

How to reproduce

1. Add

   ((String)(Object)5).hashCode();

   to GcCommand.java
2. Build
3. Install
4. Start the game
5. Join a world or server
6. Run #gc

Why? Because I need a dummy issue for testing purposes.

Modified settings

Final checklist

• I know how to properly use check boxes
• I have included the version of Minecraft I'm running, baritone's version and forge mods (if used).
• I have included logs, exceptions and / or steps to reproduce the issue.
• I have not added any additional OwO's or UwU's to this issue.
• I have filled in any useful information the autegenerated issue was missing