Flans Mod keeps crashing [closed]

Whenever I spawn in vehicles in Flans mod 1.7.2, my game crashes. Is there any way to fix this?

Here is the crash report:

---- Minecraft Crash Report ----
// You're mean.

Time: 9/12/14 1:56 PM
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:2101)
    at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:674)
    at net.minecraft.world.World.func_72870_g(World.java:2064)
    at net.minecraft.world.World.func_72939_s(World.java:1916)
    at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:512)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:658)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:569)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:114)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:454)
    at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:706)


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:2101)
    at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:674)
    at net.minecraft.world.World.func_72870_g(World.java:2064)

-- Entity being ticked --
Details:
    Entity Type: Vehicle (com.flansmod.common.driveables.EntityVehicle)
    Entity ID: 880754
    Entity Name: Panzer IV
    Entity's Exact location: -258.50, 64.50, -50.50
    Entity's Block location: World: (-259,64,-51), Chunk: (at 13,4,13 in -17,-4; contains blocks -272,0,-64 to -257,255,-49), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
    Entity's Momentum: 0.00, 0.00, 0.00
Stacktrace:
    at net.minecraft.world.World.func_72939_s(World.java:1916)
    at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:512)

-- Affected level --
Details:
    Level name: WW2 DEATHMATCH
    All players: 1 total; [EntityPlayerMP['Sparrow'/224, l='WW2 DEATHMATCH', x=-258.03, y=63.00, z=-48.22]]
    Chunk stats: ServerChunkCache: 605 Drop: 0
    Level seed: -6197332649445610733
    Level generator: ID 00 - default, ver 1. Features enabled: true
    Level generator options: 
    Level spawn location: World: (-277,64,-43), Chunk: (at 11,4,5 in -18,-3; contains blocks -288,0,-48 to -273,255,-33), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
    Level time: 22665 game time, 22665 day time
    Level dimension: 0
    Level storage version: 0x04ABD - Anvil
    Level weather: Rain time: 13895 (now: true), thunder time: 5366 (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:658)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:569)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:114)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:454)
    at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:706)

-- System Details --
Details:
    Minecraft Version: 1.7.2
    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: 17719944 bytes (16 MB) / 233242624 bytes (222 MB) up to 954466304 bytes (910 MB)
    JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
    AABB Pool Size: 4794 (268464 bytes; 0 MB) allocated, 4257 (238392 bytes; 0 MB) used
    IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
    FML: MCP v9.01-pre FML v7.2.129.1047 Minecraft Forge 10.12.0.1047 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{7.2.129.1047} [Forge Mod Loader] (forge-1.7.2-10.12.0.1047.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Forge{10.12.0.1047} [Minecraft Forge] (forge-1.7.2-10.12.0.1047.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    flansmod{4.3.0} [Flan's Mod] (Flans-Mod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
    Profiler Position: N/A (disabled)
    Vec3 Pool Size: 3562 (199472 bytes; 0 MB) allocated, 3014 (168784 bytes; 0 MB) used
    Player Count: 1 / 8; [EntityPlayerMP['Sparrow'/224, l='WW2 DEATHMATCH', x=-258.03, y=63.00, z=-48.22]]
    Type: Integrated Server (map_client.txt)
    Is Modded: Definitely; Client brand changed to 'fml,forge'</pre>