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ATEMVEGETA

Modpach launch error

Question

Hi there! When I try to launch a modpack (ex Pixelmon Generations) it does not open and returns to the launcher screen.

Does someone know how to fix this issue? Thanks!

Here is the error log:
 

Quote

 

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// This doesn't make any sense!

Time: 5/20/18 1:43 AM
Description: Initializing game

org.lwjgl.LWJGLException: Pixel format not accelerated
    at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
    at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
    at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:247)
    at org.lwjgl.opengl.Display.createWindow(Display.java:306)
    at org.lwjgl.opengl.Display.create(Display.java:848)
    at org.lwjgl.opengl.Display.create(Display.java:757)
    at org.lwjgl.opengl.Display.create(Display.java:739)
    at net.minecraft.client.Minecraft.func_175609_am(Minecraft.java:644)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:457)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
    at net.minecraft.client.main.Main.main(SourceFile:123)
    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)


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

-- Head --
Thread: Client thread
Stacktrace:
    at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
    at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
    at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:247)
    at org.lwjgl.opengl.Display.createWindow(Display.java:306)
    at org.lwjgl.opengl.Display.create(Display.java:848)
    at org.lwjgl.opengl.Display.create(Display.java:757)
    at org.lwjgl.opengl.Display.create(Display.java:739)
    at net.minecraft.client.Minecraft.func_175609_am(Minecraft.java:644)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:457)

-- Initialization --
Details:
Stacktrace:
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
    at net.minecraft.client.main.Main.main(SourceFile:123)
    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)

-- System Details --
Details:
    Minecraft Version: 1.12.2
    Operating System: Windows 10 (x86) version 10.0
    Java Version: 1.8.0_171, Oracle Corporation
    Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
    Memory: 872111192 bytes (831 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
    JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms1024m -Xmx1024m
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML:
    Loaded coremods (and transformers):
    Launched Version: 1.12.2-forge1.12.2-14.23.2.2611
    LWJGL: 2.9.4
    OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    GL Caps:
    Using VBOs: Yes
    Is Modded: Definitely; Client brand changed to 'fml,forge'
    Type: Client (map_client.txt)
    Resource Packs:
    Current Language: ~~ERROR~~ NullPointerException: null
    Profiler Position: N/A (disabled)
    CPU: <unknown>
    OptiFine Version: OptiFine_1.12.2_HD_U_C9
    Render Distance Chunks: 10
    Mipmaps: 4
    Anisotropic Filtering: 1
    Antialiasing: 0
    Multitexture: false
    Shaders: null
    OpenGlVersion: null
    OpenGlRenderer: null
    OpenGlVendor: null
    CpuCount: 8

 

 

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2 answers to this question

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I did it, I can connect to Pixelmon Generations Official modpack now but when I join a multiplayer server the launcher crashes. Any other ideas to fix this?

Thanks!

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