My mod dont start

[Tystan]

Hello, i dev a mod in 1.12.2 with idea. When i start my mode it crashes help me please

The  crach report:

---- Minecraft Crash Report ---- // I bet Cylons wouldn't have this problem. Time: 8/16/21 4:21 PM 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.createDisplay(Minecraft.java:645) at net.minecraft.client.Minecraft.init(Minecraft.java:458) at net.minecraft.client.Minecraft.run(Minecraft.java:378) 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 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.createDisplay(Minecraft.java:645) at net.minecraft.client.Minecraft.init(Minecraft.java:458) -- Initialization -- Details: Stacktrace: at net.minecraft.client.Minecraft.run(Minecraft.java:378) 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_251, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 203390504 bytes (193 MB) / 623378432 bytes (594 MB) up to 1769472000 bytes (1687 MB) JVM Flags: 0 total; IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: Loaded coremods (and transformers): Launched Version: ${MC_VERSION} 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>

[Luis_ST]

1.12 is no longer supported on this forum.
Please update to a modern version of Minecraft to receive support.