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I am receiving this crash report on trying to create a new world. Any ideas on why?

Time: 9/24/19 9:38 AMTime: 9/24/19 9:38

AMDescription: Unexpected error
java.lang.IndexOutOfBoundsException

at java.nio.Buffer.checkIndex(Buffer.java:540)

at java.nio.DirectIntBufferU.get(DirectIntBufferU.java:253) at bma.a(SourceFile:271)

at bma.a(SourceFile:220) at bao.a(SourceFile:1694)

at bao.a(SourceFile:1652)

at bjb.a(SourceFile:125)

at hd.a(SourceFile:70)

at hd.a(SourceFile:13)

at ej.a(SourceFile:174)

at bao.p(SourceFile:1585)

at bao.ak(SourceFile:774)

at bao.f(SourceFile:728)

at net.minecraft.client.main.Main.main(SourceFile:148)

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

-- Head --Stacktrace:

at java.nio.Buffer.checkIndex(Buffer.java:540)

at java.nio.DirectIntBufferU.get(DirectIntBufferU.java:253)

at bma.a(SourceFile:271) at bma.a(SourceFile:220)

at bao.a(SourceFile:1694) at bao.a(SourceFile:1652)

at bjb.a(SourceFile:125) at hd.a(SourceFile:70)

at hd.a(SourceFile:13) at ej.a(SourceFile:174)

-- Affected level --

Details:

Level name: MpServer

All players: 0 total; []

Chunk stats: MultiplayerChunkCache: 0, 0

Level seed: 0 Level generator: ID 00 - default, ver 1. Features enabled: false Level generator options: Level spawn location: World: (8,64,8), Chunk: (at 8,4,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 0 game time, 0 day time Level dimension: 0 Level storage version: 0x00000 - Unknown? Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false Forced entities: 0 total; [] Retry entities: 0 total; [] Server brand: ~~ERROR~~ NullPointerException: null Server type: Integrated singleplayer serverStacktrace: at bjf.a(SourceFile:289) at bao.b(SourceFile:1972) at bao.f(SourceFile:742) at net.minecraft.client.main.Main.main(SourceFile:148)
-- System Details --Details: Minecraft Version: 1.7.10 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 127570064 bytes (121 MB) / 268435456 bytes (256 MB) up to 8589934592 bytes (8192 MB) JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used IntCache: cache: 1, tcache: 1, allocated: 12, tallocated: 94 Launched Version: 1.7.10 LWJGL: 2.9.1 OpenGL: GeForce GTX 1080 Ti/PCIe/SSE2 GL version 4.6.0 NVIDIA 430.64, NVIDIA Corporation GL Caps: Using GL 1.3 multitexturing.Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.Anisotropic filtering is supported and maximum anisotropy is 16.Shaders are available because OpenGL 2.1 is supported.
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) Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Anisotropic Filtering: Off (1)

Turn down render distance.

Use separate game directories for old versions.

Ahh!! Anywhere I can find a tutorial for creating a separate game directory?

To change directories, see this: https://help.mojang.com/customer/portal/articles/1475923-changing-game-versions