Переход сразу в главное меню после выхода с сервера

Версия Minecraft
1.12.2
Здравствуйте.
Как можно реализовать функцию, чтобы после нажатия кнопки Disconnect на сервере, кидало игрока сразу в главное меню игры, а не в меню мультиплеера.
Я пытался это сделать так:
FMLClientHandler.instance().connectToServer(new MainMenu(), new ServerData("My server", "play.example.com", false));
Но выбивает NullPointerException:
Код:
java.lang.NullPointerException: Updating screen events
    at net.minecraftforge.fml.client.FMLClientHandler.connectToServer(FMLClientHandler.java:878)
    at com.example.mod.screens.MainMenu.actionPerformed(MainMenu.java:61)
    at net.minecraft.client.gui.GuiScreen.mouseClicked(GuiScreen.java:443)
    at net.minecraft.client.gui.GuiMainMenu.mouseClicked(GuiMainMenu.java:569)
    at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:533)
    at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:501)
    at net.minecraft.client.Minecraft.runTick(Minecraft.java:1759)
    at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1098)
    at net.minecraft.client.Minecraft.run(Minecraft.java:398)
    at net.minecraft.client.main.Main.main(Main.java:118)
    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.legacydev.Main.start(Main.java:86)
    at net.minecraftforge.legacydev.MainClient.main(MainClient.java:29)
 
Краш-лог
---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 8/23/20 3:48 PM
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
at net.minecraftforge.fml.client.FMLClientHandler.connectToServer(FMLClientHandler.java:878)
at com.example.mod.screens.MainMenu.actionPerformed(MainMenu.java:61)
at net.minecraft.client.gui.GuiScreen.mouseClicked(GuiScreen.java:443)
at net.minecraft.client.gui.GuiMainMenu.mouseClicked(GuiMainMenu.java:569)
at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:533)
at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:501)
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1759)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1098)
at net.minecraft.client.Minecraft.run(Minecraft.java:398)
at net.minecraft.client.main.Main.main(Main.java:118)
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.legacydev.Main.start(Main.java:86)
at net.minecraftforge.legacydev.MainClient.main(MainClient.java:29)


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

-- Head --
Thread: Client thread
Stacktrace:
at net.minecraftforge.fml.client.FMLClientHandler.connectToServer(FMLClientHandler.java:878)
at com.example.mod.screens.MainMenu.actionPerformed(MainMenu.java:61)
at net.minecraft.client.gui.GuiScreen.mouseClicked(GuiScreen.java:443)
at net.minecraft.client.gui.GuiMainMenu.mouseClicked(GuiMainMenu.java:569)
at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:533)
at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:501)

-- Affected screen --
Details:
Screen name: com.example.mod.screens.MainMenu
Stacktrace:
at net.minecraft.client.Minecraft.runTick(Minecraft.java:1759)
at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1098)
at net.minecraft.client.Minecraft.run(Minecraft.java:398)
at net.minecraft.client.main.Main.main(Main.java:118)
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.legacydev.Main.start(Main.java:86)
at net.minecraftforge.legacydev.MainClient.main(MainClient.java:29)

-- System Details --
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_241, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 196399472 bytes (187 MB) / 454033408 bytes (433 MB) up to 922746880 bytes (880 MB)
JVM Flags: 0 total;
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 |
|:------ |:---------- |:------------ |:------------------------------------------------------------------ |:--------- |
| LCHIJA | minecraft | 1.12.2 | minecraft.jar | None |
| LCHIJA | mcp | 9.42 | minecraft.jar | None |
| LCHIJA | FML | 8.0.99.99 | forge-1.12.2-14.23.5.2854_mapped_snapshot_20171003-1.12-recomp.jar | None |
| LCHIJA | forge | 14.23.5.2854 | forge-1.12.2-14.23.5.2854_mapped_snapshot_20171003-1.12-recomp.jar | None |
| LCHIJA | examplemod | 1.0 | main | None |

Loaded coremods (and transformers):
GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.5.13399 Compatibility Profile Context 15.200.1062.1004' Renderer: 'AMD Mobility Radeon HD 5000'
Launched Version: ${MC_VERSION}
LWJGL: 2.9.4
OpenGL: AMD Mobility Radeon HD 5000 GL version 4.5.13399 Compatibility Profile Context 15.200.1062.1004, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5 CPU 650 @ 3.20GHz
Краш-лог:
---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 8/23/20 3:48 PM
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
	at net.minecraftforge.fml.client.FMLClientHandler.connectToServer(FMLClientHandler.java:878)
	at com.example.mod.screens.MainMenu.actionPerformed(MainMenu.java:61)
	at net.minecraft.client.gui.GuiScreen.mouseClicked(GuiScreen.java:443)
	at net.minecraft.client.gui.GuiMainMenu.mouseClicked(GuiMainMenu.java:569)
	at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:533)
	at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:501)
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1759)
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1098)
	at net.minecraft.client.Minecraft.run(Minecraft.java:398)
	at net.minecraft.client.main.Main.main(Main.java:118)
	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.legacydev.Main.start(Main.java:86)
	at net.minecraftforge.legacydev.MainClient.main(MainClient.java:29)


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

-- Head --
Thread: Client thread
Stacktrace:
	at net.minecraftforge.fml.client.FMLClientHandler.connectToServer(FMLClientHandler.java:878)
	at com.example.mod.screens.MainMenu.actionPerformed(MainMenu.java:61)
	at net.minecraft.client.gui.GuiScreen.mouseClicked(GuiScreen.java:443)
	at net.minecraft.client.gui.GuiMainMenu.mouseClicked(GuiMainMenu.java:569)
	at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:533)
	at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:501)

-- Affected screen --
Details:
	Screen name: com.example.mod.screens.MainMenu
Stacktrace:
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1759)
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1098)
	at net.minecraft.client.Minecraft.run(Minecraft.java:398)
	at net.minecraft.client.main.Main.main(Main.java:118)
	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.legacydev.Main.start(Main.java:86)
	at net.minecraftforge.legacydev.MainClient.main(MainClient.java:29)

-- System Details --
Details:
	Minecraft Version: 1.12.2
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_241, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 196399472 bytes (187 MB) / 454033408 bytes (433 MB) up to 922746880 bytes (880 MB)
	JVM Flags: 0 total; 
	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 |
	|:------ |:---------- |:------------ |:------------------------------------------------------------------ |:--------- |
	| LCHIJA | minecraft  | 1.12.2       | minecraft.jar                                                      | None      |
	| LCHIJA | mcp        | 9.42         | minecraft.jar                                                      | None      |
	| LCHIJA | FML        | 8.0.99.99    | forge-1.12.2-14.23.5.2854_mapped_snapshot_20171003-1.12-recomp.jar | None      |
	| LCHIJA | forge      | 14.23.5.2854 | forge-1.12.2-14.23.5.2854_mapped_snapshot_20171003-1.12-recomp.jar | None      |
	| LCHIJA | examplemod | 1.0          | main                                                               | None      |

	Loaded coremods (and transformers): 
	GL info: ' Vendor: 'ATI Technologies Inc.' Version: '4.5.13399 Compatibility Profile Context 15.200.1062.1004' Renderer: 'AMD Mobility Radeon HD 5000'
	Launched Version: ${MC_VERSION}
	LWJGL: 2.9.4
	OpenGL: AMD Mobility Radeon HD 5000 GL version 4.5.13399 Compatibility Profile Context 15.200.1062.1004, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: Yes
	Is Modded: Definitely; Client brand changed to 'fml,forge'
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	CPU: 4x Intel(R) Core(TM) i5 CPU 650 @ 3.20GHz
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