Minecraft keeps crashing

---- Minecraft Crash Report ----
// There are four lights!

Time: 6/5/20 5:05 PM
Description: mouseClicked event handler

java.lang.OutOfMemoryError: Java heap space
at java.util.ArrayList.<init>(ArrayList.java:152)
at com.google.common.collect.Lists.newArrayListWithCapacity(Lists.java:190)
at jz$1.a(SourceFile:46)
at jz$1.b(SourceFile:31)
at jt.b(SourceFile:461)
at jt.a(SourceFile:28)
at jt$1.a(SourceFile:68)
at jt$1.b(SourceFile:54)
at jt.b(SourceFile:461)
at jt.a(SourceFile:28)
at jt$1.a(SourceFile:68)
at jt$1.b(SourceFile:54)
at jt.b(SourceFile:461)
at jt.a(SourceFile:28)
at jt$1.a(SourceFile:68)
at jt$1.b(SourceFile:54)
at kd.a(SourceFile:111)
at kd.a(SourceFile:78)
at kd.a(SourceFile:26)
at crp.a(SourceFile:155)
at crp.a(SourceFile:139)
at crp.b(SourceFile:127)
at crp.b(SourceFile:89)
at djl.a(SourceFile:74)
at djl.<init>(SourceFile:66)
at djk.init(SourceFile:46)
at dgb.init(SourceFile:338)
at dbn.a(SourceFile:863)
at dgf.e(SourceFile:132)
at dgf$$Lambda$1839/1120120878.onPress(Unknown Source)
at dcv.onPress(SourceFile:18)
at dcq.onClick(SourceFile:15)

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

– Head –
Thread: Render thread
Stacktrace:
at java.util.ArrayList.<init>(ArrayList.java:152)
at com.google.common.collect.Lists.newArrayListWithCapacity(Lists.java:190)
at jz$1.a(SourceFile:46)
at jz$1.b(SourceFile:31)
at jt.b(SourceFile:461)
at jt.a(SourceFile:28)
at jt$1.a(SourceFile:68)
at jt$1.b(SourceFile:54)
at jt.b(SourceFile:461)
at jt.a(SourceFile:28)
at jt$1.a(SourceFile:68)
at jt$1.b(SourceFile:54)
at jt.b(SourceFile:461)
at jt.a(SourceFile:28)
at jt$1.a(SourceFile:68)
at jt$1.b(SourceFile:54)
at kd.a(SourceFile:111)

– Affected screen –
Details:
Screen name: dgf
Stacktrace:
at dgb.wrapScreenError(SourceFile:450)
at dbo.a(SourceFile:86)
at dbo.c(SourceFile:150)
at dbo$$Lambda$2115/259915853.run(Unknown Source)
at ais.execute(SourceFile:94)
at dbo.b(SourceFile:150)
at dbo$$Lambda$1515/567632329.invoke(Unknown Source)
at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36)
at org.lwjgl.system.JNI.invokeV(Native Method)
at org.lwjgl.glfw.GLFW.glfwPollEvents(GLFW.java:3101)
at com.mojang.blaze3d.systems.RenderSystem.flipFrame(SourceFile:105)
at cxx.e(SourceFile:301)
at dbn.d(SourceFile:1012)
at dbn.d(SourceFile:619)
at net.minecraft.client.main.Main.main(SourceFile:204)

– System Details –
Details:
Minecraft Version: 1.15.2
Minecraft Version ID: 1.15.2
Operating System: Windows Vista (amd64) version 6.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 878966280 bytes (838 MB) / 1060372480 bytes (1011 MB) up to 1060372480 bytes (1011 MB)
CPUs: 4
JVM Flags: 6 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
Launched Version: 1.15.2
Backend library: LWJGL version 3.2.2 build 10
Backend API: Intel(R) UHD Graphics 620 GL version 4.6.0 - Build 26.20.100.7323, Intel
GL Caps: Using framebuffer using OpenGL 3.0
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: vanilla
Current Language: English (US)
CPU: 4x Intel(R) Core(TM) i3-8145U CPU @ 2.10GHz