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Hello everyone,

Ive been trying to play the newest version of pixelmon on minecraft 1.10.2 and I cant fix this error.

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 6/14/17 11:08 PM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Pixelmon (pixelmon)
Caused by: java.lang.OutOfMemoryError: Java heap space
at java.io.DataInputStream.readUTF(DataInputStream.java:661)
at java.io.DataInputStream.readUTF(DataInputStream.java:564)
at net.minecraft.nbt.NBTTagCompound.func_152448_b(NBTTagCompound.java:465)
at net.minecraft.nbt.NBTTagCompound.func_152446_a(NBTTagCompound.java:47)
at net.minecraft.nbt.NBTTagCompound.func_152449_a(NBTTagCompound.java:475)
at net.minecraft.nbt.NBTTagCompound.func_152446_a(NBTTagCompound.java:49)
at net.minecraft.nbt.CompressedStreamTools.func_152455_a(CompressedStreamTools.java:132)
at net.minecraft.nbt.CompressedStreamTools.func_152456_a(CompressedStreamTools.java:87)
at net.minecraft.nbt.CompressedStreamTools.func_74794_a(CompressedStreamTools.java:82)
at com.pixelmonmod.pixelmon.worldGeneration.structure.StructureRegistry.loadSnapshot(StructureRegistry.java:407)
at com.pixelmonmod.pixelmon.worldGeneration.structure.StructureRegistry.registerStandaloneStructure(StructureRegistry.java:238)
at com.pixelmonmod.pixelmon.worldGeneration.structure.StructureRegistry.registerStructures(StructureRegistry.java:122)
at com.pixelmonmod.pixelmon.RegistryHelper.init(RegistryHelper.java:86)
at com.pixelmonmod.pixelmon.Pixelmon.init(Pixelmon.java:128)
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.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:616)
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 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:243)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:221)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
Minecraft Version: 1.10.2
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: 4229760 bytes (4 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: MCP 9.32 Powered by Forge 12.18.3.2316 5 mods loaded, 5 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-1.10.2-12.18.3.2316.jar)
UCHI Forge{12.18.3.2316} [Minecraft Forge] (forge-1.10.2-12.18.3.2316.jar)
UCHI mercurius_updater{1.0} [mercurius_updater] (MercuriusUpdater-1.10.2.jar)
UCHE pixelmon{5.1.1} [Pixelmon] (Pixelmon-1.10.2-5.1.1-universal.jar)
Loaded coremods (and transformers):

Any help is appreciated

thanks

I think you may need to get more RAM.

Allocate more RAM to minecraft