my game crashed

[The xx Jay]

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// Oops.

Time: 8/5/17 11:49 AM
Description: Initializing game

java.lang.OutOfMemoryError: Java heap space
    at java.util.Arrays.copyOfRange(Arrays.java:3664)
    at java.lang.String.<init>(String.java:201)
    at java.lang.StringBuilder.toString(StringBuilder.java:407)
    at com.google.gson.stream.JsonReader.nextQuotedValue(JsonReader.java:1000)
    at com.google.gson.stream.JsonReader.nextString(JsonReader.java:815)
    at com.google.gson.internal.bind.TypeAdapters$16.read(TypeAdapters.java:418)
    at com.google.gson.internal.bind.TypeAdapters$16.read(TypeAdapters.java:406)
    at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:41)
    at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:82)
    at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:61)
    at net.minecraft.util.JsonUtils.func_193838_a(SourceFile:504)
    at net.minecraft.util.JsonUtils.func_193837_a(SourceFile:512)
    at net.minecraft.util.JsonUtils.func_193840_a(SourceFile:527)
    at net.minecraft.client.settings.GameSettings.func_74300_a(GameSettings.java:1146)
    at net.minecraft.client.settings.GameSettings.<init>(GameSettings.java:330)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:443)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
    at net.minecraft.client.main.Main.main(SourceFile:123)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

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

-- Head --
Thread: Client thread
Stacktrace:
    at java.util.Arrays.copyOfRange(Arrays.java:3664)
    at java.lang.String.<init>(String.java:201)
    at java.lang.StringBuilder.toString(StringBuilder.java:407)
    at com.google.gson.stream.JsonReader.nextQuotedValue(JsonReader.java:1000)
    at com.google.gson.stream.JsonReader.nextString(JsonReader.java:815)
    at com.google.gson.internal.bind.TypeAdapters$16.read(TypeAdapters.java:418)
    at com.google.gson.internal.bind.TypeAdapters$16.read(TypeAdapters.java:406)
    at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.read(TypeAdapterRuntimeTypeWrapper.java:41)
    at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:82)
    at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.read(CollectionTypeAdapterFactory.java:61)
    at net.minecraft.util.JsonUtils.func_193838_a(SourceFile:504)
    at net.minecraft.util.JsonUtils.func_193837_a(SourceFile:512)
    at net.minecraft.util.JsonUtils.func_193840_a(SourceFile:527)
    at net.minecraft.client.settings.GameSettings.func_74300_a(GameSettings.java:1146)
    at net.minecraft.client.settings.GameSettings.<init>(GameSettings.java:330)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:443)

-- Initialization --
Details:
Stacktrace:
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:377)
    at net.minecraft.client.main.Main.main(SourceFile:123)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
    Minecraft Version: 1.12
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_25, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 263450256 bytes (251 MB) / 1060372480 bytes (1011 MB) up to 1060372480 bytes (1011 MB)
    JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: 
    Loaded coremods (and transformers): 
    Launched Version: 1.12-forge1.12-14.21.0.2343
    LWJGL: 2.9.4
    OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    GL Caps: 
    Using VBOs: ~~ERROR~~ NullPointerException: null
    Is Modded: Definitely; Client brand changed to 'fml,forge'
    Type: Client (map_client.txt)
    Resource Packs: ~~ERROR~~ NullPointerException: null
    Current Language: ~~ERROR~~ NullPointerException: null
    Profiler Position: N/A (disabled)
    CPU: <unknown>

[The xx Jay]

How do i give it more memory

 

[The xx Jay]

Thanks i see what i have to do now