Crash when going to the Nether

Whenever I try and go to the nether it doesn't load, it just ends up crashing and saying this in the launcher:

Minecraft Crash Report -------- Minecraft Crash Report ----// Don't be sad, have a hug! <3
Time: 6/4/20 9:14 PMDescription: Ticking player
java.lang.NullPointerException: Ticking player at ze.a(SourceFile:651) at aoj.bg(SourceFile:1900) at aoj.ad(SourceFile:437) at aov.ad(SourceFile:320) at aoj.j(SourceFile:419) at aov.j(SourceFile:2181) at bdy.j(SourceFile:275) at ze.w_(SourceFile:418) at zv.b(SourceFile:206) at me.a(SourceFile:234) at zu.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:885) at net.minecraft.server.MinecraftServer.a(SourceFile:812) at eov.a(SourceFile:93) at net.minecraft.server.MinecraftServer.v(SourceFile:671) at net.minecraft.server.MinecraftServer.a(SourceFile:256) at net.minecraft.server.MinecraftServer$$Lambda$3833/714560927.run(Unknown Source) at java.lang.Thread.run(Thread.java:745)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
– Head --Thread: Server threadStacktrace: at ze.a(SourceFile:651) at aoj.bg(SourceFile:1900) at aoj.ad(SourceFile:437) at aov.ad(SourceFile:320) at aoj.j(SourceFile:419) at aov.j(SourceFile:2181) at bdy.j(SourceFile:275)
– Player being ticked --Details: Entity Type: minecraft:player (ze) Entity ID: 107 Entity Name: jessingt0n Entity's Exact location: -457.70, 10.00, 239.70 Entity's Block location: World: (-458,10,239), Chunk: (at 6,0,15 in -29,14; contains blocks -464,0,224 to -449,255,239), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511) Entity's Momentum: 0.00, -0.08, 0.00 Entity's Passengers: [] Entity's Vehicle: ~_ERROR~ NullPointerException: nullStacktrace: at ze.w_(SourceFile:418) at zv.b(SourceFile:206) at me.a(SourceFile:234)
– Ticking connection --Details: Connection: me@4cef8ef5Stacktrace: at zu.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:885) at net.minecraft.server.MinecraftServer.a(SourceFile:812) at eov.a(SourceFile:93) at net.minecraft.server.MinecraftServer.v(SourceFile:671) at net.minecraft.server.MinecraftServer.a(SourceFile:256) at net.minecraft.server.MinecraftServer$$Lambda$3833/714560927.run(Unknown Source)

ALSO:

When I try and backup the world, it has another crash, I dont know if its corrupted or a bug because of the release. PLEASE HELP ME!