Forge update crash minecraft

Bonjour,

Minecraft crash depui sque j'ai mis a jour forge :(

Voici le rapport de crash:

---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]

Time: 03.05.13 15:30
Description: Unexpected error

java.lang.NullPointerException
at net.minecraft.world.WorldProvider.setSpawnPoint(WorldProvider.java:504)
at net.minecraft.world.World.func_72950_A(World.java:4095)
at net.minecraft.client.multiplayer.WorldClient.<init>(WorldClient.java:38)
at net.minecraft.client.multiplayer.NetClientHandler.func_72455_a(NetClientHandler.java:166)
at net.minecraft.network.packet.Packet1Login.func_73279_a(Packet1Login.java:119)
at net.minecraft.network.MemoryConnection.func_74428_b(MemoryConnection.java:89)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1898)
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:
---------------------------------------------------------------------------------------

-- System Details --
Details:
Minecraft Version: 1.5.1
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_21, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1597158552 bytes (1523 MB) / 2141454336 bytes (2042 MB) up to 2141454336 bytes (2042 MB)
JVM Flags: 2 total; -Xms2048m -Xmx2048m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v7.44 FML v5.1.43.682 Minecraft Forge 7.7.2.682 Optifine OptiFine_1.5.1_HD_U_B2 21 mods loaded, 21 mods active
mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{5.1.43.682} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{7.7.2.682} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CodeChickenCore{0.8.5.4} [CodeChicken Core] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
NotEnoughItems{1.5.2.8} [Not Enough Items] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_ReiMinimap{v3.3_04 [1.5.1]} [mod_ReiMinimap] ([1.5.1]ReiMinimap_v3.3_04.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Doggy Talents{v1.3.0} [Doggy Talents] ([1.5] Doggy Talents - v1.3.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Backpack{1.7.8} [Backpack] (backpack-1.7.8-1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BiblioCraft{1.1.6} [BiblioCraft] (BiblioCraft[v1.1.6].zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DungeonCrawler{0.2.4} [Dungeon Crawler] (DungeonCrawler 0.2.4v5 for MC 1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FlansMod{2.1} [Flan's Mod] (Flans Mod 2.2.1 for Minecraft 1.5.1 Universal.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
HealthBars{1.0} [Health Bars] (HealthBars 1.0 for MC 1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
inventorytweaks{1.52} [Inventory Tweaks] (InventoryTweaks-1.52.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MCA{3.3.1} [Minecraft Comes Alive] (mca v3.3.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mozombies{1.5} [Mo' Zombies Mod] (Mo' Zombies 1.5.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MoreExplosives{Release 3.5 for Minecraft 1.5.1} [More Explosives Mod] (MoreExplosivesModRelease3.5forMC1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_MovePlus{Version 2.2} [mod_MovePlus] (moveplus v2.3 for MC v1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PetBat{1.1.7} [Pet Bat] (PetBat_1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SimplyHorses{0.6.2} [Simply Horses] (SimplyHorses_1.5.1_pre6.2.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TConstruct{1.5.1_1.2.24} [Tinkers' Construct] (TConstruct_1.5.1_1.2.24.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
UtilityMobs{2.0} [Utility Mobs] (UtilityMobs 2.0 for MC 1.5.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
LWJGL: 2.4.2
OpenGL: GeForce GT 330M/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Texture Pack: Minecraft Enhanced v1.4.6 256x.zip
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null