Flan's Mod crash

Bonjour, je me lance dans un projet de grande envergure mais un problème vient : Minecraft crash quand je pose un véhicule de Flan's Mod avec le content pack manu's civil package. Si possible d'avoir les liens nécessaires de Forge et Flan's Mod si le problème vient de la version.

Voici quelques infos :
- Version Minecraft : 1.7.2
- Version Flan's mod : 4.2.3
- Version Forge : 10.12.1.1060
- Version manu's civil package : 1.7.2a for Flan 4.2.3 http://ww.minecraft-smp.de/download.php?view.174

Crash log :

---- Minecraft Crash Report ----
// I feel sad now

Time: 06/05/14 21:28
Description: Ticking entity

java.lang.NullPointerException: Ticking entity
at com.flansmod.common.driveables.EntityVehicle.func_70071_h_(EntityVehicle.java:412)
at net.minecraft.world.World.func_72866_a(World.java:2019)
at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:659)
at net.minecraft.world.World.func_72870_g(World.java:1983)
at net.minecraft.world.World.func_72939_s(World.java:1836)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:500)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:616)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:527)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:665)


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

-- Head --
Stacktrace:
at com.flansmod.common.driveables.EntityVehicle.func_70071_h_(EntityVehicle.java:412)
at net.minecraft.world.World.func_72866_a(World.java:2019)
at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:659)
at net.minecraft.world.World.func_72870_g(World.java:1983)

-- Entity being ticked --
Details:
Entity Type: Vehicle (com.flansmod.common.driveables.EntityVehicle)
Entity ID: 467
Entity Name: Police Car
Entity's Exact location: -237,50, 72,50, 278,50
Entity's Block location: World: (-238,72,278), Chunk: (at 2,4,6 in -15,17; contains blocks -240,0,272 to -225,255,287), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Entity's Momentum: 0,00, 0,00, 0,00
Stacktrace:
at net.minecraft.world.World.func_72939_s(World.java:1836)
at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:500)

-- Affected level --
Details:
Level name: New World
All players: 1 total; [EntityPlayerMP['Erohis'/287, l='New World', x=-235,87, y=70,00, z=277,88]]
Chunk stats: ServerChunkCache: 626 Drop: 0
Level seed: -3763838092325101516
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options:
Level spawn location: World: (-246,64,280), Chunk: (at 10,4,8 in -16,17; contains blocks -256,0,272 to -241,255,287), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 1413 game time, 1413 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 160118 (now: false), thunder time: 20406 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:616)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:527)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:665)

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_45, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 117573696 bytes (112 MB) / 527433728 bytes (503 MB) up to 954728448 bytes (910 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
AABB Pool Size: 3821 (213976 bytes; 0 MB) allocated, 3216 (180096 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
FML: MCP v9.01-pre FML v7.2.156.1060 Minecraft Forge 10.12.1.1060 4 mods loaded, 4 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.2.156.1060} [Forge Mod Loader] (forge-1.7.2-10.12.1.1060.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.12.1.1060} [Minecraft Forge] (forge-1.7.2-10.12.1.1060.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
flansmod{4.2.3} [flansmod] (Flans Mod-1.7.2-4.2.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1320 (73920 bytes; 0 MB) allocated, 1087 (60872 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['Erohis'/287, l='New World', x=-235,87, y=70,00, z=277,88]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'