Crash on Mojang screen

[Biceps4Life]

Hey Guys i turn on my custom modpack and it just shows Mojang logo and turns off Please help.Minecraft crash:

 

---- Minecraft Crash Report ----

// I just don't know what went wrong

 

Time: 15.1.15 20.46

Description: Initializing game

 

java.lang.IllegalArgumentException: ID is already registered: Grenade

at net.minecraft.entity.EntityList.func_75618_a(EntityList.java:89)

at cpw.mods.fml.common.registry.EntityRegistry.registerGlobalEntityID(EntityRegistry.java:199)

at com.wow.wowmod.WeaponsOfWar.load(WeaponsOfWar.java:239)

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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)

at sun.reflect.GeneratedMethodAccessor2.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 cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)

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 cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)

at cpw.mods.fml.common.Loader.initializeMods(Loader.java:691)

at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:288)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:541)

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)

at net.minecraft.client.main.Main.main(SourceFile:148)

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)

 

 

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

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

 

-- Head --

Stacktrace:

at net.minecraft.entity.EntityList.func_75618_a(EntityList.java:89)

at cpw.mods.fml.common.registry.EntityRegistry.registerGlobalEntityID(EntityRegistry.java:199)

at com.wow.wowmod.WeaponsOfWar.load(WeaponsOfWar.java:239)

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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)

at sun.reflect.GeneratedMethodAccessor2.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 cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)

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 cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)

at cpw.mods.fml.common.Loader.initializeMods(Loader.java:691)

at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:288)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:541)

 

-- Initialization --

Details:

Stacktrace:

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)

at net.minecraft.client.main.Main.main(SourceFile:148)

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)

 

-- System Details --

Details:

Minecraft Version: 1.7.10

Operating System: Windows 8 (amd64) version 6.2

Java Version: 1.8.0_25, Oracle Corporation

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 319174520 bytes (304 MB) / 506986496 bytes (483 MB) up to 954728448 bytes (910 MB)

JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1024m -XX:MaxPermSize=128m

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

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

FML: MCP v9.05 FML v7.10.85.1286 Minecraft Forge 10.13.2.1286 17 mods loaded, 17 mods active

mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized

FML{7.10.85.1286} [Forge Mod Loader] (modpack.jar) Unloaded->Constructed->Pre-initialized->Initialized

Forge{10.13.2.1286} [Minecraft Forge] (modpack.jar) Unloaded->Constructed->Pre-initialized->Initialized

lucky{5.1.0} [Lucky Block] ([1-7-10]_Lucky_Block_v5-1-0.jar) Unloaded->Constructed->Pre-initialized->Initialized

adventurebackpack{0.7.4b} [Adventure Backpack] (adventurebackpack-1.7.10-0.7.4b.jar) Unloaded->Constructed->Pre-initialized->Initialized

carsanddrives{1.0.7} [Cars and Drives] (Cars_and_Drives_Mod_V-1.0.7.jar) Unloaded->Constructed->Pre-initialized->Initialized

customnpcs{1.7.10} [CustomNpcs] (CustomNPCs-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized

diversity{ALPHA 1.5} [Diversity] (Diversity-1.7.10-Alpha-1.5.jar) Unloaded->Constructed->Pre-initialized->Initialized

eplus{1.7.10-3.0.1} [Enchanting Plus] (EnchantingPlus-1.7.10-3.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized

flansmod{4.9.0} [Flan's Mod] (Flans Mod-1.7.10-4.9.0.jar) Unloaded->Constructed->Pre-initialized->Initialized

mod_Invasion{1.1.2} [invasion] (Invasion_1.1.2_1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized

Mantle{1.7.10-0.3.2.jenkins184} [Mantle] (Mantle-1.7.10-0.3.2.jar) Unloaded->Constructed->Pre-initialized->Initialized

necromancy{1.7.1} [Necromancy] (Necromancy-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized

securitycraft{v1.6.1} [securityCraft] (SecurityCraft v1.6.1 for 1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized

wow{1.0} [special Forces Mod] (Special Forces Mod-1.0.jar) Unloaded->Constructed->Pre-initialized->Errored

TConstruct{1.7.10-1.6.0.build611} [Tinkers' Construct] (TConstruct_mc1.7.10_1.6.0d40.1.jar) Unloaded->Constructed->Pre-initialized->Initialized

TF2Sentry{1.7.10} [TF2 Sentry] (TF2Sentry-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized

Mantle Environment: Environment healthy.

TConstruct Environment: Environment healthy.

Launched Version: 1.7.10-Forge10.13.2.1286

LWJGL: 2.9.1

OpenGL: Intel® HD Graphics 4600 GL version 4.2.0 - Build 10.18.10.3345, Intel

GL Caps: Using GL 1.3 multitexturing.

Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.

Anisotropic filtering is supported and maximum anisotropy is 16.

Shaders are available because OpenGL 2.1 is supported.

 

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)

Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

Anisotropic Filtering: Off (1)

 

 

[Torezu]

You seem to have an ID conflict in Weapons of War with something else.  You'll probably need to follow the SOP for resolving ID conflicts.  Yes, I know there are no item or block IDs any more, but there are still entity, potion, biome, and dimension IDs, to name a few.