Mod the lord of the rings serveur crash dimension

Bonjour j'ai un serveur sur lequelle j'ai installer le mods the lords of the rings or des que je rentre dans le portail pour allez dans la dimension le serveur crash voici le report :
---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 05/04/15 23:01
Description: Exception generating new chunk

java.lang.OutOfMemoryError: Java heap space
at net.minecraft.world.chunk.NibbleArray.<init>(SourceFile:9)
at net.minecraft.world.chunk.storage.ExtendedBlockStorage.<init>(SourceFile:28)
at lotr.common.world.LOTRChunkProvider.func_73154_d(LOTRChunkProvider.java:265)
at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:172)
at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:131)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101)
at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:199)
at net.minecraft.world.World.func_72964_e(World.java:419)
at net.minecraft.world.World.func_147439_a(World.java:345)
at net.minecraft.world.World.func_147466_a(World.java:2626)
at net.minecraft.world.SpawnerAnimals.func_77190_a(SpawnerAnimals.java:215)
at net.minecraft.world.SpawnerAnimals.func_77192_a(SpawnerAnimals.java:130)
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:161)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:625)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)


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

-- Head --
Stacktrace:
at net.minecraft.world.chunk.NibbleArray.<init>(SourceFile:9)
at net.minecraft.world.chunk.storage.ExtendedBlockStorage.<init>(SourceFile:28)
at lotr.common.world.LOTRChunkProvider.func_73154_d(LOTRChunkProvider.java:265)

-- Chunk to be generated --
Details:
Location: 6,4
Position hash: 17179869190
Generator: MiddleEarthLevelSource
Stacktrace:
at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:172)
at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:131)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101)
at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:199)
at net.minecraft.world.World.func_72964_e(World.java:419)

-- Requested block coordinates --
Details:
Found chunk: true
Location: World: (108,87,67), Chunk: (at 12,5,3 in 6,4; contains blocks 96,0,64 to 111,255,79), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Stacktrace:
at net.minecraft.world.World.func_147439_a(World.java:345)
at net.minecraft.world.World.func_147466_a(World.java:2626)
at net.minecraft.world.SpawnerAnimals.func_77190_a(SpawnerAnimals.java:215)
at net.minecraft.world.SpawnerAnimals.func_77192_a(SpawnerAnimals.java:130)
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:161)

-- Affected level --
Details:
Level name: world
All players: 1 total; [EntityPlayerMP['Spow_Arce'/353, l='world', x=0,50, y=70,00, z=0,50]]
Chunk stats: ServerChunkCache: 514 Drop: 0
Level seed: 770944415473382916
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (0,0,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 0 game time, 0 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: ~~ERROR~~ NullPointerException: null
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:625)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.8.0_40, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 192 bytes (0 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB)
JVM Flags: 0 total;
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 55
FML: MCP v9.05 FML v7.10.103.1352 Minecraft Forge 10.13.2.1352 4 mods loaded, 4 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{7.10.103.1352} [Forge Mod Loader] (forge-1.7.10-10.13.2.1352-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{10.13.2.1352} [Minecraft Forge] (forge-1.7.10-10.13.2.1352-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
lotr{Beta v22.4 for Minecraft 1.7.10} [The Lord of the Rings Mod] ([1.7.10] The Lord of the Rings Mod B22.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 1 / 20; [EntityPlayerMP['Spow_Arce'/353, l='world', x=0,50, y=70,00, z=0,50]]
Is Modded: Definitely; Server brand changed to 'fml,forge'
Type: Dedicated Server (map_server.txt)

 

bonjour juste comment je fait pour augmenter la ram allouer

 

merci pour la reponse ;D