[Game Crashing During Intialization]

Right after the "FML early loading progress", the game crashes, giving me this crash report. How can I fix this?

If it helps, my os is linux, and this is my first time using Forge/trying mods so I'm pretty new.

 

---- Minecraft Crash Report ----
// There are four lights!

Time: 1/31/21, 11:26 AM
Description: Initializing game

java.lang.ExceptionInInitializerError: null
    at net.minecraftforge.fml.ModLoader.<init>(ModLoader.java:123) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.ModLoader.get(ModLoader.java:148) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.client.ClientModLoader.lambda$begin$1(ClientModLoader.java:103) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraftforge.fml.client.ClientModLoader.lambda$createRunnableWithCatch$4(ClientModLoader.java:123) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraftforge.fml.client.ClientModLoader.begin(ClientModLoader.java:103) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.<init>(Minecraft.java:437) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.main.Main.main(Main.java:149) ~[1.16.4-forge-35.1.4.jar:?] {re:classloading,pl:runtimedistcleaner:A}
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] {}
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
    at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) ~[forge-1.16.4-35.1.4.jar:35.1] {}
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.6.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.6.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.6.jar:?] {}
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.6.jar:?] {}
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.6.jar:?] {}
Caused by: java.lang.IllegalStateException: Failed to resolve consumer event type: net.minecraftforge.fml.network.simple.SimpleChannel$$Lambda$3037/0x0000000100b5e840@5a1f778
    at net.minecraftforge.eventbus.EventBus.getEventClass(EventBus.java:220) ~[eventbus-3.0.5-service.jar:?] {}
    at net.minecraftforge.eventbus.EventBus.checkNotGeneric(EventBus.java:162) ~[eventbus-3.0.5-service.jar:?] {}
    at net.minecraftforge.eventbus.EventBus.addListener(EventBus.java:173) ~[eventbus-3.0.5-service.jar:?] {}
    at net.minecraftforge.fml.network.NetworkInstance.addListener(NetworkInstance.java:65) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.network.simple.SimpleChannel.<init>(SimpleChannel.java:57) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.network.simple.SimpleChannel.<init>(SimpleChannel.java:50) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.network.NetworkRegistry$ChannelBuilder.simpleChannel(NetworkRegistry.java:409) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.network.NetworkInitialization.getHandshakeChannel(NetworkInitialization.java:38) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.network.FMLNetworkConstants.<clinit>(FMLNetworkConstants.java:48) ~[forge:?] {re:classloading}
    ... 17 more

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
    at net.minecraftforge.fml.ModLoader.<init>(ModLoader.java:123) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.ModLoader.get(ModLoader.java:148) ~[forge:?] {re:classloading}
    at net.minecraftforge.fml.client.ClientModLoader.lambda$begin$1(ClientModLoader.java:103) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraftforge.fml.client.ClientModLoader.lambda$createRunnableWithCatch$4(ClientModLoader.java:123) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraftforge.fml.client.ClientModLoader.begin(ClientModLoader.java:103) ~[forge:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.<init>(Minecraft.java:437) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
-- Initialization --
Details:
Stacktrace:
    at net.minecraft.client.main.Main.main(Main.java:149) ~[1.16.4-forge-35.1.4.jar:?] {re:classloading,pl:runtimedistcleaner:A}
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] {}
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
    at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) ~[forge-1.16.4-35.1.4.jar:35.1] {}
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.6.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.6.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.6.jar:?] {}
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.6.jar:?] {}
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.6.jar:?] {}

-- System Details --
Details:
    Minecraft Version: 1.16.4
    Minecraft Version ID: 1.16.4
    Operating System: Linux (amd64) version 5.8.0-41-generic
    Java Version: 11.0.9, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 804517536 bytes (767 MB) / 1040187392 bytes (992 MB) up to 2147483648 bytes (2048 MB)
    CPUs: 4
    JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
    Launched Version: 1.16.4-forge-35.1.4
    Backend library: LWJGL version 3.2.2 build 10
    Backend API: Mesa DRI Intel(R) HD Graphics 4000 (IVB GT2) GL version 3.0 Mesa 20.2.6, Intel Open Source Technology Center
    GL Caps: Using framebuffer using OpenGL 3.0
    Using VBOs: Yes
    Is Modded: Definitely; Client brand changed to 'forge'
    Type: Client (map_client.txt)
    CPU: 4x Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz