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My PC runs 8gb of RAM so how do I fix this Out of Memory error when trying to load a minecraft world using the Parzi mod? This is my first time trying to use a mod btw, pretty new to minecraft.

---- Minecraft Crash Report ----
// But it works on my machine.

Time: 8/16/16 2:16 PM
Description: Exception generating new chunk

java.lang.OutOfMemoryError: Java heap space
at net.minecraft.world.chunk.Chunk.<init>(Chunk.java:71)
at net.minecraft.world.chunk.Chunk.<init>(Chunk.java:122)
at com.parzivail.pswm.dimension.ilum.BiomeChunkProviderIlum.func_73154_d(BiomeChunkProviderIlum.java:443)
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_147437_c(World.java:365)
at net.minecraft.world.World.func_147474_b(World.java:329)
at net.minecraft.world.WorldProvider.func_76566_a(WorldProvider.java:71)
at net.minecraft.world.WorldServer.func_73052_b(WorldServer.java:749)
at net.minecraft.world.WorldServer.func_72963_a(WorldServer.java:715)
at net.minecraft.world.World.<init>(World.java:260)
at net.minecraft.world.WorldServer.<init>(WorldServer.java:97)
at net.minecraft.world.WorldServerMulti.<init>(WorldServerMulti.java:14)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:65)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:92)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
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.Chunk.<init>(Chunk.java:71)
at net.minecraft.world.chunk.Chunk.<init>(Chunk.java:122)
at com.parzivail.pswm.dimension.ilum.BiomeChunkProviderIlum.func_73154_d(BiomeChunkProviderIlum.java:443)

-- Chunk to be generated --
Details:
Location: -12,1
Position hash: 8589934580
Generator: RandomLevelSource
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: (-177,64,28), Chunk: (at 15,4,12 in -12,1; contains blocks -192,0,16 to -177,255,31), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
at net.minecraft.world.World.func_147439_a(World.java:345)
at net.minecraft.world.World.func_147437_c(World.java:365)
at net.minecraft.world.World.func_147474_b(World.java:329)
at net.minecraft.world.WorldProvider.func_76566_a(WorldProvider.java:71)
at net.minecraft.world.WorldServer.func_73052_b(WorldServer.java:749)
at net.minecraft.world.WorldServer.func_72963_a(WorldServer.java:715)

-- Affected level --
Details:
Level name: Alderaan
All players: 0 total; []
Chunk stats: ServerChunkCache: 459 Drop: 0
Level seed: -4703842879960727450
Level generator: ID 00 - default, ver 1. Features enabled: true
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: 0x04ABD - Anvil
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
at net.minecraft.world.World.<init>(World.java:260)
at net.minecraft.world.WorldServer.<init>(WorldServer.java:97)
at net.minecraft.world.WorldServerMulti.<init>(WorldServerMulti.java:14)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:65)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:92)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 327232 bytes (0 MB) / 1060372480 bytes (1011 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 15, allocated: 29, tallocated: 77
FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 4 mods loaded, 4 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAA Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10.jar)
UCHIJAA starwarsmod{1.3.1} [Parzi's Star Wars Mod] (Parzi's Star Wars Mod v1.3.1.jar)
GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

Quote from XG_Darkside»

java.lang.OutOfMemoryError: Java heap space