Minecraft crashes when pressing the 'Singleplayer' button

---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 10/22/20 5:51 AM
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 mj$1.a(SourceFile:47)
 at mj$1.b(SourceFile:32)
 at md.b(SourceFile:471)
 at md.a(SourceFile:32)
 at md$1.a(SourceFile:83)
 at md$1.b(SourceFile:69)
 at md.b(SourceFile:471)
 at md.a(SourceFile:32)
 at md$1.a(SourceFile:83)
 at md$1.b(SourceFile:69)
 at md.b(SourceFile:471)
 at md.a(SourceFile:32)
 at md$1.a(SourceFile:83)
 at md$1.b(SourceFile:69)
 at mn.a(SourceFile:108)
 at mn.a(SourceFile:75)
 at mn.a(SourceFile:32)
 at mn.a(SourceFile:26)
 at cyd.a(SourceFile:229)
 at cyd$$Lambda$3002/978203459.apply(Unknown Source)
 at cyd.a(SourceFile:186)
 at cyd.b(SourceFile:157)
 at dse.a(SourceFile:91)
 at dse.<init>(SourceFile:83)
 at dsb.b(SourceFile:48)
 at doq.b(SourceFile:325)
 at djw.a(SourceFile:897)
 at dov.d(SourceFile:141)
 at dov$$Lambda$2677/1432747042.onPress(Unknown Source)
 at dlg.b(SourceFile:33)


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 mj$1.a(SourceFile:47)
 at mj$1.b(SourceFile:32)
 at md.b(SourceFile:471)
 at md.a(SourceFile:32)
 at md$1.a(SourceFile:83)
 at md$1.b(SourceFile:69)
 at md.b(SourceFile:471)
 at md.a(SourceFile:32)
 at md$1.a(SourceFile:83)
 at md$1.b(SourceFile:69)
 at md.b(SourceFile:471)
 at md.a(SourceFile:32)
 at md$1.a(SourceFile:83)
 at md$1.b(SourceFile:69)
 at mn.a(SourceFile:108)

-- Affected screen --
Details:
 Screen name: dov
Stacktrace:
 at doq.a(SourceFile:438)
 at djx.a(SourceFile:92)
 at djx.c(SourceFile:162)
 at djx$$Lambda$2987/808782963.run(Unknown Source)
 at any.execute(SourceFile:94)
 at djx.b(SourceFile:162)
 at djx$$Lambda$2343/271633972.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:102)
 at dew.e(SourceFile:308)
 at djw.e(SourceFile:1043)
 at djw.e(SourceFile:656)
 at net.minecraft.client.main.Main.main(SourceFile:215)