Forge Error (1.12.2) java.lang.NoSuchMethodError: net.minecraft.client.Minecraft.getMinecraft()Lnet/minecraft/client/Minecraft;

When I try to call Minecraft.getMinecraft();, it gives this error 

java.lang.NoSuchMethodError: net.minecraft.client.Minecraft.getMinecraft()Lnet/minecraft/client/Minecraft;

here is my full stacktrace 

Time: 12/15/20 11:23 AM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from XENON (xenon)
Caused by: java.lang.NoSuchMethodError: net.minecraft.client.Minecraft.getMinecraft()Lnet/minecraft/client/Minecraft;
	at club.max.xenon.XenonClient.onClientStarted(XenonClient.java:47)
	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:497)
	at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:637)
	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:497)
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
	at com.google.common.eventbus.EventBus.post(EventBus.java:217)
	at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219)
	at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
	at com.google.common.eventbus.EventBus.post(EventBus.java:217)
	at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136)
	at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:749)
	at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:336)
	at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:535)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:378)
	at net.minecraft.client.main.Main.main(SourceFile:123)
	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:497)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


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

-- System Details --
Details:
	Minecraft Version: 1.12.2
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 440908008 bytes (420 MB) / 1073741824 bytes (1024 MB) up to 4294967296 bytes (4096 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP 9.42 Powered by Forge 14.23.5.2854 5 mods loaded, 5 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

	| State | ID        | Version      | Source                        | Signature                                |
	|:----- |:--------- |:------------ |:----------------------------- |:---------------------------------------- |
	| LCHI  | minecraft | 1.12.2       | minecraft.jar                 | None                                     |
	| LCHI  | mcp       | 9.42         | minecraft.jar                 | None                                     |
	| LCHI  | FML       | 8.0.99.99    | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
	| LCHI  | forge     | 14.23.5.2854 | forge-1.12.2-14.23.5.2854.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
	| LCHE  | xenon     | 1            | xenon-0.0.3-all.jar           | None                                     |

	Loaded coremods (and transformers): 
	GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.6.13587 Compatibility Profile Context 20.4.1 26.20.15029.20013' Renderer: 'Radeon RX 580 Series'

along with my main class

package club.max.xenon;

import club.max.xenon.api.command.management.CommandManager;
import club.max.xenon.api.config.management.ConfigManager;
import club.max.xenon.api.event.management.EventManager;
import club.max.xenon.api.module.management.ModuleManager;
import com.mojang.realmsclient.gui.ChatFormatting;
import club.max.xenon.client.gui.ClickGui;
import net.minecraft.client.Minecraft;
import net.minecraftforge.common.MinecraftForge;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.fml.common.Mod;
import net.minecraftforge.fml.common.event.FMLInitializationEvent;
import org.lwjgl.opengl.Display;
import team.stiff.pomelo.impl.annotated.AnnotatedEventManager;

/**
 * @author SrRina
 * @since 15/11/20 at 4:51pm
 */
@Mod(modid = "xenon", name = "Xenon", version = "1")
public class XenonClient {
    public static final String NAME = "XENON";
    public static final String VERSION = "0.0.3";
    public static final String CHAT = ChatFormatting.GRAY + "{" + ChatFormatting.BLUE + ChatFormatting.BOLD + "XENON" + ChatFormatting.RESET + ChatFormatting.GRAY + "} ";

    /*
     * Thanks so much for Pomelo of team stiff exist!!!!!!!!
     */
    public static final team.stiff.pomelo.EventManager EVENT_BUS = new AnnotatedEventManager();

    /* All managers of the client. */
    private static EventManager clientEventManager;
    private static CommandManager commandManager;

    public static ModuleManager moduleManager;
    public static ClickGui gui;
    public static Minecraft mc;
    public static ConfigManager configManager;

    public static XenonDiscordRPC rpc;

    @Mod.EventHandler
    public static void onClientStarted(FMLInitializationEvent event) {
       // MinecraftForge.EVENT_BUS.register(this);

        mc = Minecraft.getMinecraft();

        clientEventManager = new EventManager();
        System.out.println("Initialized Event Manager");

        commandManager = new CommandManager();
        commandManager.initCommands();
        System.out.println("Initialized Commands");

        moduleManager = new ModuleManager();
        moduleManager.initMods();
        System.out.println("Initialized Modules");

        gui = new ClickGui();
        System.out.println("Initialized GUI");

        configManager = new ConfigManager();
        configManager.onStartup();
        System.out.println("Initialized Config");

 //       rpc = new XenonDiscordRPC();
 //       rpc.start();

        MinecraftForge.EVENT_BUS.register(clientEventManager);
        MinecraftForge.EVENT_BUS.register(commandManager);
        MinecraftForge.EVENT_BUS.register(new XenonClient());

        Display.setTitle(NAME + " " + VERSION);
    }

    public static ModuleManager getModuleManager() {
        return moduleManager;
    }

    public static EventManager getClientEventManager() {
        return clientEventManager;
    }

    public static CommandManager getCommandManager() {
        return commandManager;
    }

    public static Minecraft getMinecraft() {
        return Minecraft.getMinecraft();
    }

    public static team.stiff.pomelo.EventManager getEventBus(){
        return EVENT_BUS;
    }
}