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The game crashed whilst there was a severe problem during mod loading that has caused the game to fail
The game crashed whilst there was a severe problem during mod loading that has caused the game to fail
Error: net.minecraftforge.fml.common.LoaderExceptionModCrash: Caught exception from Pixelmon (pixelmon)

The game crashed whilst initializing game
The game crashed whilst initializing game
Error: java.lang.OutOfMemoryError: Java heap space

when i switched to the latest forge this happened

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

Time: 09/08/17 08:47 م
Description: Initializing game

java.lang.OutOfMemoryError: Java heap space
at java.lang.StringCoding$StringDecoder.decode(StringCoding.java:149)
at java.lang.StringCoding.decode(StringCoding.java:193)
at java.lang.String.<init>(String.java:414)
at java.util.jar.Manifest.read(Manifest.java:243)
at java.util.jar.Manifest.<init>(Manifest.java:69)
at java.util.jar.JarFile.getManifestFromReference(JarFile.java:194)
at java.util.jar.JarFile.getManifest(JarFile.java:180)
at sun.misc.URLClassPath$JarLoader$2.getManifest(URLClassPath.java:780)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:422)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:367)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:459)
at org.apache.logging.log4j.core.impl.ThrowableProxy.resolvePackageData(ThrowableProxy.java:395)
at org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:97)
at org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:114)
at org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:90)
at org.apache.logging.log4j.core.impl.DefaultLogEventFactory.createEvent(DefaultLogEventFactory.java:49)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:365)
at org.apache.logging.log4j.core.Logger.log(Logger.java:110)
at org.apache.logging.log4j.spi.AbstractLogger.log(AbstractLogger.java:1448)
at net.minecraftforge.fml.relauncher.FMLRelaunchLog.log(FMLRelaunchLog.java:92)
at net.minecraftforge.fml.common.FMLLog.log(FMLLog.java:47)
at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:167)
at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:807)
at net.minecraftforge.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:334)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:520)

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

-- Head --
Thread: Client thread
Stacktrace:
at java.lang.StringCoding$StringDecoder.decode(StringCoding.java:149)
at java.lang.StringCoding.decode(StringCoding.java:193)
at java.lang.String.<init>(String.java:414)
at java.util.jar.Manifest.read(Manifest.java:243)
at java.util.jar.Manifest.<init>(Manifest.java:69)
at java.util.jar.JarFile.getManifestFromReference(JarFile.java:194)
at java.util.jar.JarFile.getManifest(JarFile.java:180)
at sun.misc.URLClassPath$JarLoader$2.getManifest(URLClassPath.java:780)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:422)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:367)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:459)
at org.apache.logging.log4j.core.impl.ThrowableProxy.resolvePackageData(ThrowableProxy.java:395)
at org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:97)
at org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:114)
at org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:90)
at org.apache.logging.log4j.core.impl.DefaultLogEventFactory.createEvent(DefaultLogEventFactory.java:49)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:365)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:356)
at net.minecraft.client.main.Main.main(SourceFile:124)
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: 1.10.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 509544 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 12.18.3.2422 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-1.10.2-12.18.3.2422.jar)
UCHI Forge{12.18.3.2422} [Minecraft Forge] (forge-1.10.2-12.18.3.2422.jar)
UCHI mercurius_updater{1.0} [mercurius_updater] (MercuriusUpdater-1.10.2.jar)
UCHE pixelmon{5.0.3} [Pixelmon] (Pixelmon-1.10.2-5.0.3-universal.jar)
Loaded coremods (and transformers):
Launched Version: 1.10.2-forge1.10.2-12.18.3.2422
LWJGL: 2.9.4
OpenGL: Mobile Intel(R) 4 Series Express Chipset Family GL version 2.1.0 - Build 8.15.10.2869, Intel
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because EXT_framebuffer_object is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 2x Pentium(R) Dual-Core CPU T4400 @ 2.20GHz

this is before i update my forge to the latest 1.10.2

---- Minecraft Crash Report -------- Minecraft Crash Report ----// You should try our sister game, Minceraft!
Time: 09/08/17 05:34 مDescription: 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(Arrays.java:3664) at java.lang.String.<init>(String.java:201) 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:84) 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)

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 7 (amd64) version 6.1 Java Version: 1.8.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 757824 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 12.18.3.2254 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-1.10.2-12.18.3.2254.jar) UCHI Forge{12.18.3.2254} [Minecraft Forge] (forge-1.10.2-12.18.3.2254.jar) UCHI mercurius_updater{1.0} [mercurius_updater] (MercuriusUpdater-1.10.2.jar) UCHE pixelmon{5.0.3} [Pixelmon] (Pixelmon-1.10.2-5.0.3-universal.jar) Loaded coremods (and transformers):