My game keeps crashing

[hutcheson88]

---- Minecraft Crash Report ----

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

// I bet Cylons wouldn't have this problem.

Time: 6/6/20 1:15 AM
Description: Initializing game

java.lang.NoSuchMethodError: shadersmod.client.Shaders.startup(Lnet/minecraft/client/Minecraft;)V
    at Config.initDisplay(Config.java:209)
    at net.minecraft.client.renderer.OpenGlHelper.func_77474_a(OpenGlHelper.java:115)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:459)
    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:
---------------------------------------------------------------------------------------

-- Head --
Thread: Client thread
Stacktrace:
    at Config.initDisplay(Config.java:209)
    at net.minecraft.client.renderer.OpenGlHelper.func_77474_a(OpenGlHelper.java:115)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:459)

-- Initialization --
Details:
Stacktrace:
    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)
 

[DavidM]

1. Why did you cut out the bottom part of the log?

2. 1.12.2 is no longer supported on these forums. Please update to a modern version of Minecraft (1.14 and above) to receive support.

Edited June 6, 2020 by DavidM