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Hey guys, I'm having a problem with the new version of Pixelmon and Forge 1.10.2. I have no idea of what's wrong. I'll leave the crash report down below. So if you know how to solve the problem, please explain to me.

---- Minecraft Crash Report -------- Minecraft Crash Report ----// I feel sad now
Time: 06/07/17 15:47Description: 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.util.Arrays.copyOfRange(Unknown Source) at java.lang.String.(Unknown Source) at java.io.DataInputStream.readUTF(Unknown Source) at java.io.DataInputStream.readUTF(Unknown Source) 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:84) at com.pixelmonmod.pixelmon.Pixelmon.init(Pixelmon.java:128) 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:616) 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:243) at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:221)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
-- System Details --Details: Minecraft Version: 1.10.2 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_71, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 10216 bytes (0 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 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-1.10.2-12.18.3.2316.jar) UCHI Forge{12.18.3.2316} [Minecraft Forge] (forge-1.10.2-12.18.3.2316.jar) UCHE pixelmon{5.0.4} [Pixelmon] (Pixelmon-1.10.2-5.0.4-universal.jar) Loaded coremods (and transformers):

add more RAM to minecraft

How do I do that again? I forgot

to be honest i have no clue. search it on youtube