My friend needs help with the Alien Vs Predator mod

Heres the crash log,plz help my friend  :'(

---- Minecraft Crash Report ----

// Shall we play a game?

Time: 4/6/13 8:46 PM

Description: Failed to start game

java.lang.TypeNotPresentException: Type mods.avp.core.PacketHandler not present

at sun.reflect.annotation.TypeNotPresentExceptionProxy.generateException(Unknown Source)

at sun.reflect.annotation.AnnotationInvocationHandler.invoke(Unknown Source)

at $Proxy9.packetHandler(Unknown Source)

at cpw.mods.fml.common.network.NetworkModHandler.<init>(NetworkModHandler.java:126)

at cpw.mods.fml.common.network.FMLNetworkHandler.registerNetworkMod(FMLNetworkHandler.java:261)

at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:486)

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.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:165)

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.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.ja

com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:165)

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.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:98)

at cpw.mods.fml.common.Loader.loadMods(Loader.java:503)

at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:160)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:310)

at net.minecraft.client.MinecraftAppletImpl.func_71384_a(SourceFile:56)

at net.minecraft.client.Minecraft.run(Minecraft.java:607)

at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.ClassNotFoundException: mods.avp.core.PacketHandler

at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:238)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Unknown Source)

at sun.reflect.generics.factory.CoreReflectionFactory.makeNamedType(Unknown Source)

at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Unknown Source)

at sun.reflect.generics.tree.ClassTypeSignature.accept(Unknown Source)

at sun.reflect.annotation.AnnotationParser.parseSig(Unknown Source)

at sun.reflect.annotation.AnnotationParser.parseClassValue(Unknown Source)

at sun.reflect.annot

at sun.reflect.annotation.AnnotationParser.parseMemberValue(Unknown Source)

at sun.reflect.annotation.AnnotationParser.parseAnnotation(Unknown Source)

at sun.reflect.annotation.AnnotationParser.parseAnnotations2(Unknown Source)

at sun.reflect.annotation.AnnotationParser.parseAnnotations(Unknown Source)

at java.lang.Class.initAnnotationsIfNecessary(Unknown Source)

at java.lang.Class.getAnnotation(Unknown Source)

at cpw.mods.fml.common.network.NetworkModHandler.<init>(NetworkModHandler.java:67)

... 28 more

Caused by: java.lang.NoClassDefFoundError: mods/airi/AIRIPacketHandler

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(Unknown Source)

at java.security.SecureClassLoader.defineClass(Unknown Source)

at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:227)

... 44 more

Caused by: java.lang.ClassNotFoundException: mods.airi.AIRIPacketHandler

at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:238)

at java.lang.ClassLoader.loadClass(Unknown Source)

at java.lang.ClassLoader.loadClass(Unknown Source)

... 48 more

Caused by: java.lang.NullPointerException

at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:227)

... 50 more

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

---------------------------------------------------------------------------------------

-- System Details --

Details:

Minecraft Version: 1.5.1

Operating System: Windows 8 (x86) version 6.2

Java Version: 1.7.0_11, Oracle Corporation

Java VM Version: Java HotSpot Client VM (mixed mode), Oracle Corporation

Memory: 395830576 bytes (377 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)

JVM Flags: 2 total; -Xms512m -Xmx1024m

AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

Suspicious classes: FML is installed

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

FML: MCP v7.44 FML v5.1.16.620 3 mods lo

9:54 PM - Kirby the lord of nukes: tell me when thats all

9:55 PM - Kirby the lord of nukes: Ok...for the rest of the day i will not even dare click on comments tba...

9:55 PM - Zer0's Sentry: FML: MCP v7.44 FML v5.1.16.620 3 mods loaded, 3 mods active

mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed

FML [Forge Mod Loader] (coremods) Unloaded->Constructed

AliensVsPredator [AliensVsPredator] (AliensVsPredator.jar) Unloaded->Errored

LWJGL: 2.4.2

OpenGL: AMD Radeon HD 7560D GL version 4.2.12002 Compatibility Profile Context 9.12.0.0, ATI Technologies Inc.

Is Modded: Definitely; Client brand changed to 'fml'

Type: Client (map_client.txt)

Texture Pack: Default

Profiler Position: N/A (disabled)

Vec3 Pool Size: ~~ERROR~~ NullPointerException: null