Minecraft Forums

When I hit play, the program lags then crashes. Can anyone tell me how to fix this?

---- Minecraft Crash Report ----

WARNING: coremods are present:
Java8CheckerCoremod (Pixelmon-1.8.9-4.2.7-universal.jar)
Contact their authors BEFORE contacting forge

// Ouch. That hurt

Time: 7/31/16 12:36 PM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderException: java.lang.OutOfMemoryError: Java heap space
at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:162)
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:739)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:310)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:495)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329)
at net.minecraft.client.main.Main.main(SourceFile:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOfRange(Unknown Source)
at java.lang.String.<init>(Unknown Source)
at java.lang.String.substring(Unknown Source)
at java.lang.String.subSequence(Unknown Source)
at java.util.regex.Pattern.split(Unknown Source)
at java.util.regex.Pattern.split(Unknown Source)
at com.pixelmonmod.pixelmon.client.models.smd.SmdAnimation.startParsingAnimation(SmdAnimation.java:90)
at com.pixelmonmod.pixelmon.client.models.smd.SmdAnimation.loadSmdAnim(SmdAnimation.java:61)
at com.pixelmonmod.pixelmon.client.models.smd.SmdAnimation.<init>(SmdAnimation.java:29)
at com.pixelmonmod.pixelmon.client.models.smd.ValveStudioModel.loadQC(ValveStudioModel.java:90)
at com.pixelmonmod.pixelmon.client.models.smd.ValveStudioModel.<init>(ValveStudioModel.java:53)
at com.pixelmonmod.pixelmon.client.models.smd.ValveStudioModelLoader.loadModel(ValveStudioModelLoader.java:70)
at com.pixelmonmod.pixelmon.enums.EnumCustomModel.preloadModels(EnumCustomModel.java:304)
at com.pixelmonmod.pixelmon.client.ClientProxy.registerRenderers(ClientProxy.java:210)
at com.pixelmonmod.pixelmon.Pixelmon.init(Pixelmon.java:132)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:560)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:211)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:189)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)


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

-- System Details --
Details:
Minecraft Version: 1.8.9
Operating System: Windows 10 (x86) version 10.0
Java Version: 1.8.0_91, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 190104 bytes (0 MB) / 523501568 bytes (499 MB) up to 523501568 bytes (499 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.19 Powered by Forge 11.15.1.1902 4 mods loaded, 4 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHI mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
UCHI FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.1902-1.8.9.jar)
UCHI Forge{11.15.1.1902} [Minecraft Forge] (forge-1.8.9-11.15.1.1902-1.8.9.jar)
UCHE pixelmon{4.2.7} [Pixelmon] (Pixelmon-1.8.9-4.2.7-universal.jar)
Loaded coremods (and transformers):
Java8CheckerCoremod (Pixelmon-1.8.9-4.2.7-universal.jar)

My computer has 8 gigs of ram.

I run 64 bit JAVA.

When I added another gig to minecraft it gave me this error message: Error occurred during initialization of VM
Could not reserve enough space for 2097152KB object heap

Yes I do, I checked.

My Specs clearly say it is 64 bit