MINECRAFT CRASHING

I was opening my game as usual but suddenly it started crashing and gave me a report. From that day(2-3 days ago) its not opening. I even tried to reinstall Minecraft without any mods or packs. It opens the launcher I click on PLAY It open MOJANG loading screen and then crashes back to launcher giving me the crash report.

PLEASE HELP!!!
Crash Report-

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

Time: 1/16/18 8:29 PM
Description: Initializing game

cdo: Unable to fit: minecraft:blocks/lava_flow - size: 32x32 - Maybe try a lowerresolution resourcepack?
at cdn.c(SourceFile:58)
at cdp.b(SourceFile:137)
at cdp.a(SourceFile:76)
at cgb.n(SourceFile:763)
at cgb.a(SourceFile:188)
at cgc.a(SourceFile:23)
at cev.a(SourceFile:100)
at bib.aq(SourceFile:530)
at bib.a(SourceFile:404)
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 info.mineshafter.GameStarter.main(GameStarter.java:33)

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

– Head –
Thread: Client thread
Stacktrace:
at cdn.c(SourceFile:58)
at cdp.b(SourceFile:137)
at cdp.a(SourceFile:76)
at cgb.n(SourceFile:763)
at cgb.a(SourceFile:188)
at cgc.a(SourceFile:23)
at cev.a(SourceFile:100)
at bib.aq(SourceFile:530)

– Initialization –
Details:
Stacktrace:
at bib.a(SourceFile:404)
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 info.mineshafter.GameStarter.main(GameStarter.java:33)

– System Details –
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (x86) version 10.0
Java Version: 1.8.0_151, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 36176800 bytes (34 MB) / 191045632 bytes (182 MB) up to 523501568 bytes (499 MB)
JVM Flags: 6 total; -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.12.2
LWJGL: 2.9.4
OpenGL: AMD Radeon(TM) R4 Graphics GL version 4.5.13474 Compatibility Profile Context 22.19.162.4, ATI Technologies Inc.
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: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x AMD A6-7310 APU with AMD Radeon R4 Graphics