Game Crashes when loading

When i start up a world it says its loading but when it finishes loading before entering the map it crashes.

20:06:52	launcher	Preparing to launch minecraft client for 1.13
20:06:52	launcher	Checking installations.
20:06:52	launcher	Minecraft client 1.13 is ready to start.
20:06:52	launcher	Starting!
20:06:53	launcher	Using default game log configuration client-1.12.xml (outputs XML)
20:06:54	cfi	Setting user: UnderArtic
20:06:56	cfl	Skipping bad option: lastServer:
20:06:56	cfi	LWJGL Version: 3.1.6 build 14
20:06:57	vg	Reloading ResourceManager: Default
20:06:58	dgh	Starting up SoundSystem...
20:06:58	dgh	Initializing No Sound
20:06:58	dgh	(Silent Mode)
20:06:58	dgh	OpenAL initialized.
20:06:59	dgh	Preloading sound minecraft:sounds/ambient/underwater/underwater_ambience.ogg
20:06:59	dgh	Sound engine started
20:07:03	ddb	Created: 1024x512 textures-atlas
20:07:06	com.mojang.text2speech.NarratorWindows	Narrator library for x64 successfully loaded
20:07:13	bv	Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
20:07:13	bv	Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
20:07:13	bv	Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
20:07:13	bv	Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
20:07:13	bv	Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
20:07:13	avh	Loaded 0 recipes
20:07:13	m	Loaded 0 advancements
20:07:13	dfx	Starting integrated minecraft server version 1.13
20:07:13	dfx	Generating keypair
20:07:13	net.minecraft.server.MinecraftServer	Found new data pack vanilla, loading it automatically
20:07:13	vg	Reloading ResourceManager: Default
20:07:14	avh	Loaded 524 recipes
20:07:15	m	Loaded 571 advancements
20:07:19	net.minecraft.server.MinecraftServer	Preparing start region for level 0
20:07:20	net.minecraft.server.MinecraftServer	Preparing spawn area: 0%
20:07:22	net.minecraft.server.MinecraftServer	Preparing spawn area: 0%
20:07:23	net.minecraft.server.MinecraftServer	Preparing spawn area: 0%
20:07:23	net.minecraft.server.MinecraftServer	Preparing spawn area: 4%
20:07:24	net.minecraft.server.MinecraftServer	Preparing spawn area: 8%
20:07:25	net.minecraft.server.MinecraftServer	Preparing spawn area: 12%
20:07:25	net.minecraft.server.MinecraftServer	Preparing spawn area: 16%
20:07:26	net.minecraft.server.MinecraftServer	Preparing spawn area: 20%
20:07:27	net.minecraft.server.MinecraftServer	Preparing spawn area: 24%
20:07:27	net.minecraft.server.MinecraftServer	Preparing spawn area: 28%
20:07:28	net.minecraft.server.MinecraftServer	Preparing spawn area: 32%
20:07:29	net.minecraft.server.MinecraftServer	Preparing spawn area: 36%
20:07:29	net.minecraft.server.MinecraftServer	Preparing spawn area: 40%
20:07:30	net.minecraft.server.MinecraftServer	Preparing spawn area: 44%
20:07:31	net.minecraft.server.MinecraftServer	Preparing spawn area: 48%
20:07:31	net.minecraft.server.MinecraftServer	Preparing spawn area: 52%
20:07:32	net.minecraft.server.MinecraftServer	Preparing spawn area: 56%
20:07:33	net.minecraft.server.MinecraftServer	Preparing spawn area: 58%
20:07:33	net.minecraft.server.MinecraftServer	Preparing spawn area: 60%
20:07:34	net.minecraft.server.MinecraftServer	Preparing spawn area: 64%
20:07:35	net.minecraft.server.MinecraftServer	Preparing spawn area: 64%
20:07:35	net.minecraft.server.MinecraftServer	Preparing spawn area: 68%
20:07:37	net.minecraft.server.MinecraftServer	Preparing spawn area: 69%
20:07:37	net.minecraft.server.MinecraftServer	Preparing spawn area: 72%
20:07:37	net.minecraft.server.MinecraftServer	Preparing spawn area: 76%
20:07:39	net.minecraft.server.MinecraftServer	Preparing spawn area: 76%
20:07:39	net.minecraft.server.MinecraftServer	Preparing spawn area: 80%
20:07:40	net.minecraft.server.MinecraftServer	Preparing spawn area: 80%
20:07:40	net.minecraft.server.MinecraftServer	Preparing spawn area: 84%
20:07:41	net.minecraft.server.MinecraftServer	Preparing spawn area: 84%
20:07:42	net.minecraft.server.MinecraftServer	Preparing spawn area: 88%
20:07:43	net.minecraft.server.MinecraftServer	Preparing spawn area: 88%
20:07:44	net.minecraft.server.MinecraftServer	Preparing spawn area: 92%
20:08:03	launcher	
AL lib: (EE) alc_cleanup: 1 device not closed
Picked up _JAVA_OPTIONS: -Xmx256M

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Server thread"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "WorldGen-Worker-1"

Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Client thread"
21:08:03	monitor	Process crashed with exit code 1