Ok, so, I downloaded the TFC launcher and ran it, should be a fully functioning, up to date copy of TFC right? My problem is that single-player worlds will not generate, I've tried going onto servers and their maps will load. However, whenever I try to start a single-player world, I end up waiting for 10 mins only to be confronted with a shutting down internal server error. I collected the FML log and I'll post it below: From what i can make out, its a memory error during chunk generation, but then again, I couldn't do a manual install of the mod, so what do i know... Thanks for any help 2013-04-20 22:31:05 [SERVER] [INFO] Starting integrated minecraft server version 1.5.12013-04-20 22:31:05 [SERVER] [INFO] Generating keypair2013-04-20 22:31:05 [SERVER] [INFO] Converting map!2013-04-20 22:31:05 [SERVER] [INFO] Scanning folders...2013-04-20 22:31:05 [SERVER] [INFO] Total conversion count is 02013-04-20 22:31:06 [SERVER] [INFO] Preparing start region for level 02013-04-20 22:31:09 [SERVER] [INFO] Preparing spawn area: 5%2013-04-20 22:31:11 [SERVER] [INFO] Preparing spawn area: 10%2013-04-20 22:31:12 [SERVER] [INFO] Preparing spawn area: 16%2013-04-20 22:31:13 [SERVER] [INFO] Preparing spawn area: 24%2013-04-20 22:31:14 [SERVER] [INFO] Preparing spawn area: 34%2013-04-20 22:31:15 [SERVER] [INFO] Preparing spawn area: 42%2013-04-20 22:31:17 [SERVER] [INFO] Preparing spawn area: 48%2013-04-20 22:31:18 [SERVER] [INFO] Preparing spawn area: 49%2013-04-20 22:31:19 [SERVER] [INFO] Preparing spawn area: 51%2013-04-20 22:31:22 [SERVER] [INFO] Preparing spawn area: 52%2013-04-20 22:31:23 [SERVER] [INFO] Preparing spawn area: 55%2013-04-20 22:31:24 [SERVER] [INFO] Preparing spawn area: 58%2013-04-20 22:31:25 [SERVER] [INFO] Preparing spawn area: 58%2013-04-20 22:31:26 [SERVER] [INFO] Preparing spawn area: 59%2013-04-20 22:31:31 [SERVER] [SEVERE] Encountered an unexpected exception ReportedExceptionnet.minecraft.util.ReportedException: Exception generating new chunkat net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:140)at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:166)at net.minecraft.world.World.func_72964_e(World.java:522)at net.minecraft.world.World.func_72805_g(World.java:612)at TFC.WorldGen.Generators.WorldGenMinableTFC.BODgenerate(WorldGenMinableTFC.java:277)at TFC.WorldGen.Generators.WorldGenMinableTFC.BetterOreDistribution(WorldGenMinableTFC.java:84)at TFC.WorldGen.Generators.WorldGenMinableTFC.generate(WorldGenMinableTFC.java:311)at TFC.WorldGen.Generators.WorldGenOre.createOre(WorldGenOre.java:225)at TFC.WorldGen.Generators.WorldGenOre.generate(WorldGenOre.java:123)at cpw.mods.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:102)at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:259)at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1249)at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:153)at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:281)at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:88)at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:105)at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:429)at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)Caused by: java.lang.OutOfMemoryError: Java heap spaceat net.minecraft.world.gen.layer.IntCache.func_76445_a(SourceFile:39)at TFC.WorldGen.GenLayers.GenLayerZoomTFC.func_75904_a(GenLayerZoomTFC.java:26)at TFC.WorldGen.GenLayers.GenLayerRiverTFC.func_75904_a(GenLayerRiverTFC.java:25)at TFC.WorldGen.GenLayers.GenLayerSmoothTFC.func_75904_a(GenLayerSmoothTFC.java:24)at TFC.WorldGen.GenLayers.GenLayerRiverMixTFC.func_75904_a(GenLayerRiverMixTFC.java:25)at TFC.WorldGen.TFCWorldChunkManager.func_76937_a(TFCWorldChunkManager.java:266)at TFC.WorldGen.TFCChunkProviderGenerate.generateTerrainHigh(TFCChunkProviderGenerate.java:237)at TFC.WorldGen.TFCChunkProviderGenerate.func_73154_d(TFCChunkProviderGenerate.java:112)at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:131)... 17 more2013-04-20 22:31:32 [SERVER] [SEVERE] This crash report has been saved to: /Users/john.doe/Library/Application Support/tfcraft/minecraft/crash-reports/crash-2013-04-20_22.31.32-server.txt2013-04-20 22:31:32 [SERVER] [INFO] Stopping server2013-04-20 22:31:32 [SERVER] [INFO] Saving players2013-04-20 22:31:32 [SERVER] [INFO] Saving worlds2013-04-20 22:31:32 [SERVER] [INFO] Saving chunks for level 'A World'/DEFAULT2013-04-20 22:43:27 [SERVER] [INFO] Stopping server