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So recently I downloaded a couple of mods and now whenever I try to shoot a ranged weapon from anything, I crash and I want to fix this but, I dont wan't to force update, If I have to delete a mod I would be fine with that, and yes I'm running on 1.5.2 because there's more compatible mods for it, and I dont wan't to go to 1.6, So if you could help me out thanks, heres the crash report:

---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 9/8/13 3:25 PM
Description: Unexpected error

java.lang.ClassCastException: ACItems.ACItemCrossbow cannot be cast to net.minecraft.item.ItemBow
at minefantasy.system.EventManagerMF.fireArrow(EventManagerMF.java:241)
at net.minecraftforge.event.ASMEventHandler_52_EventManagerMF_fireArrow_ArrowLooseEvent.invoke(.dynamic)
at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:35)
at net.minecraftforge.event.EventBus.post(EventBus.java:103)
at ACItems.ACItemCrossbow.func_77615_a(ACItemCrossbow.java:42)
at net.minecraft.item.ItemStack.func_77974_b(ItemStack.java:500)
at net.minecraft.entity.player.EntityPlayer.func_71034_by(EntityPlayer.java:252)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_78766_c(PlayerControllerMP.java:505)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1764)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:834)
at net.minecraft.client.Minecraft.run(Minecraft.java:759)
at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
at minefantasy.system.EventManagerMF.fireArrow(EventManagerMF.java:241)
at net.minecraftforge.event.ASMEventHandler_52_EventManagerMF_fireArrow_ArrowLooseEvent.invoke(.dynamic)
at net.minecraftforge.event.ASMEventHandler.invoke(ASMEventHandler.java:35)
at net.minecraftforge.event.EventBus.post(EventBus.java:103)
at ACItems.ACItemCrossbow.func_77615_a(ACItemCrossbow.java:42)
at net.minecraft.item.ItemStack.func_77974_b(ItemStack.java:500)
at net.minecraft.entity.player.EntityPlayer.func_71034_by(EntityPlayer.java:252)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_78766_c(PlayerControllerMP.java:505)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [GCCorePlayerSP['Estee'/280, l='MpServer', x=-414.91, y=69.62, z=356.40]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (244,64,256), Chunk: (at 4,4,0 in 15,16; contains blocks 240,0,256 to 255,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 335769 game time, 535293 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 32 total; [EntityBat['Bat'/343, l='MpServer', x=-391.25, y=26.10, z=280.25], EntitySquid['Squid'/338, l='MpServer', x=-387.65, y=52.19, z=351.64], EntitySquid['Squid'/337, l='MpServer', x=-401.47, y=48.94, z=348.97], EntityChicken['Chicken'/336, l='MpServer', x=-405.97, y=64.00, z=311.06], EntityBat['Bat'/350, l='MpServer', x=-363.37, y=17.76, z=301.11], EntityItem['item.item.saddle'/282, l='MpServer', x=-418.44, y=67.13, z=362.59], EntitySquid['Squid'/348, l='MpServer', x=-399.81, y=49.06, z=363.96], EntitySquid['Squid'/347, l='MpServer', x=-387.11, y=49.11, z=355.55], EntitySquid['Squid'/346, l='MpServer', x=-396.63, y=56.21, z=340.61], EntitySquid['Squid'/345, l='MpServer', x=-390.25, y=49.00, z=348.31], EntityChicken['Chicken'/344, l='MpServer', x=-386.44, y=62.33, z=295.44], EntityCow['Cow'/326, l='MpServer', x=-429.47, y=54.00, z=342.31], EntityMinecartChest['entity.MinecartChest.name'/327, l='MpServer', x=-428.50, y=31.50, z=406.50], EntityBat['Bat'/320, l='MpServer', x=-454.25, y=19.10, z=283.75], EntityBat['Bat'/321, l='MpServer', x=-460.08, y=19.10, z=277.22], EntityItem['item.item.egg'/334, l='MpServer', x=-407.94, y=63.13, z=311.88], EntitySheep['Sheep'/335, l='MpServer', x=-405.81, y=64.00, z=309.78], EntityBat['Bat'/332, l='MpServer', x=-416.05, y=25.84, z=312.95], EntitySheep['Sheep'/333, l='MpServer', x=-403.63, y=63.00, z=316.94], EntityMustangSH['Mustang'/390, l='MpServer', x=-415.24, y=68.00, z=357.90], EntityBat['Bat'/331, l='MpServer', x=-403.21, y=39.43, z=288.25], EntityChicken['Chicken'/311, l='MpServer', x=-486.44, y=62.55, z=282.47], EntityBat['Bat'/315, l='MpServer', x=-468.25, y=23.17, z=286.95], EntityMinecartChest['entity.MinecartChest.name'/316, l='MpServer', x=-471.50, y=33.50, z=409.88], EntityCow['Cow'/356, l='MpServer', x=-351.38, y=74.00, z=328.59], EntityMinecartChest['entity.MinecartChest.name'/357, l='MpServer', x=-357.50, y=39.50, z=349.13], EntityBat['Bat'/358, l='MpServer', x=-360.76, y=48.06, z=355.67], EntityChicken['Chicken'/353, l='MpServer', x=-366.47, y=62.32, z=277.47], GCCorePlayerSP['Estee'/280, l='MpServer', x=-414.91, y=69.62, z=356.40], EntityBat['Bat'/354, l='MpServer', x=-367.75, y=39.37, z=320.50], EntityBat['Bat'/355, l='MpServer', x=-361.88, y=39.10, z=333.75], EntityChicken['Chicken'/362, l='MpServer', x=-351.38, y=64.00, z=278.38]]
Retry entities: 0 total; []
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:441)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2413)
at net.minecraft.client.Minecraft.run(Minecraft.java:782)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.5.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 227618576 bytes (217 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 8455 (473480 bytes; 0 MB) allocated, 3 (168 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
FML: MCP v7.51 FML v5.2.5.685 Minecraft Forge 7.8.0.685 Optifine OptiFine_1.5.2_HD_U_D2 23 mods loaded, 23 mods active
mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{5.2.5.685} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{7.8.0.685} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_ReiMinimap{v3.3_05 [1.5.2]} [mod_ReiMinimap] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_sucker{Herobrine 3.1 for 1.5.2 by Burnner} [mod_sucker] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_TooManyItems{1.5.2 2013-04-25} [mod_TooManyItems] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
GalacticraftCore{0.1.35} [Galacticraft Core] (Galacticraft-1.5.2-a0.1.35.262.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MineFantasy{Alpha 1.8} [Mine Fantasy] (_1.5.2_MineFantasy_1.8.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ArsMagica{5.52.014} [Ars Magica] (ArsMagica_5.52.014.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AssassinCraft{r107f} [AssassinCraft Minecraft] (AssassinCraft r107f.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
EasyCrafting{1.1.6} [Easy Crafting] (EasyCrafting-1.1.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
EE3{pre1h (build 16)} [Equivalent Exchange 3] (ee3-universal-pre1h-16.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ElementalTinkerer{PRE-5c} [§oElemental Tinkerer] (Elemental Tinkerer [PRE-5c] .zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FlansMod{2.4} [Flan's Mod] (Flans Mod 2.3.2 for Minecraft 1.5.2 Universal.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
xreliquary{1.5.2} [Xeno's Reliquary] (Reliquary1.0.6d.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RPGInventoryMod{1.5.1 8.4} [RPG Inventory Mod] (Rpg Inventory 1.5.2 v1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RPGMS{RpgInv8.4} [RpgInv Mage Addon] (Rpg Inventory 1.5.2 v1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RPGPlusPlus{RpgInv8.4} [Subarakis RPG++ mod] (Rpg Inventory 1.5.2 v1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RPGRB{RpgInv8.4} [Rogue and BeastMaster Patch] (Rpg Inventory 1.5.2 v1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
VanillaShields{RpgInv8.4} [Vanilla Shields Mod] (Rpg Inventory 1.5.2 v1.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SimplyHorses{0.6.3} [Simply Horses] (SimplyHorses_1.5.2_pre6.3.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Sorcery{Beta 1.0.2} [Sorcery] (Sorcery Beta 1.0.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
weaponmod{1.5.2 v1.12.0} [Balkon's WeaponMod] (WeaponMod.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
LWJGL: 2.4.2
OpenGL: Intel(R) HD Graphics GL version 2.1.0 - Build 8.15.10.2827, Intel
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 3624 (202944 bytes; 0 MB) allocated, 14 (784 bytes; 0 MB) used

I know I may sound too needy but, Can someone help, please!!