Some information

Operating system: Windows 10
Java version: Latest
Minecraft version: Inertia Client 1.16.4
Baritone version:
Mods (if used): Inertia Client

Exception, error or logs

It just spams this:
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_51]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_51]
at net.minecraft.util.Util.func_181617_a(SourceFile:47) [h.class:?]
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1088) [bib.class:?]
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398) [bib.class:?]
at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51]
at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
Caused by: java.lang.NullPointerException

How to reproduce

No clue

Modified settings

assumeWalkOnWater (Boolean)
chatControl (Boolean)
followRadius (Integer)

I can't reproduce this issue. Please provide alternate steps to reproduce it or more information such as a video. Also make sure you are using the latest version.