Crash

Incomplete without a crash report. Please attach it so the issue can be diagnosed.

Indeed, please attach a crash report.

Thank you for your report.
However, your ticket has been resolved as incomplete.

We are unable to diagnose your issue due to the lack of proper debug information. Please review the guidelines before reporting issues.
In case of a game crash, please also attach the crash log from [minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/finding-minecraft-data-folder].

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please fix it

Minecraft Crash Report ----
// Daisy, daisy...

Time: 3/28/18 3:38 AM
Description: Initializing game

java.lang.NullPointerException: Initializing game
at bib.a(SourceFile:784)
at bib.av(SourceFile:662)
at bib.aq(SourceFile:456)
at bib.a(SourceFile:404)
at net.minecraft.client.main.Main.main(SourceFile:123)

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

– Head –
Thread: Client thread
Stacktrace:
at bib.a(SourceFile:784)
at bib.av(SourceFile:662)
at bib.aq(SourceFile:456)

– Initialization –
Details:
Stacktrace:
at bib.a(SourceFile:404)
at net.minecraft.client.main.Main.main(SourceFile:123)

– System Details –
Details:
Minecraft Version: 1.12.2
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_45, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 19872736 bytes (18 MB) / 151334912 bytes (144 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.12.2
LWJGL: 2.9.4
OpenGL: ~_ERROR~ RuntimeException: No OpenGL context found in the current thread.
GL Caps:
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: ~_ERROR~ NullPointerException: null
Profiler Position: N/A (disabled)
CPU: <unknown>

@unknown Your issue is MC-37463 and completely unrelated to this report.