When I run my code, minecraft opens and does fine until I open a world. Then I get this error log:

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

-- Head --
Stacktrace:
    at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:61)
    at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49)
    at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:61)
    at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:52)
    at net.minecraft.network.NetworkSystem$1.genericLoad(NetworkSystem.java:53)
    at net.minecraft.network.NetworkSystem$1.load(NetworkSystem.java:57)
    at net.minecraft.util.LazyLoadBase.getValue(LazyLoadBase.java:14)
    at net.minecraft.network.NetworkSystem.addLocalEndpoint(NetworkSystem.java:151)
    at net.minecraft.client.Minecraft.launchIntegratedServer(Minecraft.java:2309)
    at net.minecraftforge.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:670)
    at net.minecraft.client.gui.GuiSelectWorld.func_146615_e(GuiSelectWorld.java:196)
    at net.minecraft.client.gui.GuiSelectWorld.actionPerformed(GuiSelectWorld.java:143)
    at net.minecraft.client.gui.GuiScreen.mouseClicked(GuiScreen.java:510)
    at net.minecraft.client.gui.GuiScreen.handleMouseInput(GuiScreen.java:602)
    at net.minecraft.client.gui.GuiSelectWorld.handleMouseInput(GuiSelectWorld.java:83)
    at net.minecraft.client.gui.GuiScreen.handleInput(GuiScreen.java:571)

-- Affected screen --
Details:
    Screen name: net.minecraft.client.gui.GuiMainMenu
Stacktrace:
    at net.minecraft.client.Minecraft.runTick(Minecraft.java:1752)
    at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1080)
    at net.minecraft.client.Minecraft.run(Minecraft.java:376)
    at net.minecraft.client.main.Main.main(Main.java:117)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
    at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)
    at GradleStart.main(Unknown Source)

-- System Details --
Details:
    Minecraft Version: 1.8
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_161, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 75668104 bytes (72 MB) / 513277952 bytes (489 MB) up to 1875378176 bytes (1788 MB)
    JVM Flags: 0 total; 
    IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
    FML: MCP v9.10 FML v8.0.37.1334 Minecraft Forge 11.14.1.1334 5 mods loaded, 5 mods active
    mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    FML{8.0.37.1334} [Forge Mod Loader] (forgeSrc-1.8-11.14.1.1334.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Forge{11.14.1.1334} [Minecraft Forge] (forgeSrc-1.8-11.14.1.1334.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    examplemod{1.0} [Example Mod] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    xandermod{1.0} [xandermod] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Loaded coremods (and transformers): 
    Launched Version: 1.8
    LWJGL: 2.9.1
    OpenGL: Intel(R) Iris(R) Graphics 540 GL version 4.5.0 - Build 22.20.16.4836, Intel
    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: No
    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)
[14:04:22] [Client thread/INFO] [STDOUT]: [net.minecraft.init.Bootstrap:printToSYSOUT:660]: #@!@# Game crashed! Crash report saved to: #@!@# C:\Users\jgordhamer\javaModMinecraft\forge\eclipse\.\crash-reports\crash-2018-03-13_14.04.22-client.txt
AL lib: (EE) alc_cleanup: 1 device not closed
 

Could someone please tell me what is wrong? I am stumped.

Is that the only way to fix it? because I would like to avoid that if possible.