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This is the report I get after the game crashes on the "Building Terrain" screen. The world just started doing this and I don't know why. Any answers/ suggestions would help.



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

Time: 7/5/14 8:30 PM
Description: Exception in server tick loop

java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.regex.Pattern.compile(Unknown Source)
at java.lang.String.replace(Unknown Source)
at cpw.mods.fml.relauncher.FMLRelaunchLog$LoggingOutStream.flush(FMLRelaunchLog.java:116)
at java.io.PrintStream.write(Unknown Source)
at sun.nio.cs.StreamEncoder.writeBytes(Unknown Source)
at sun.nio.cs.StreamEncoder.implFlushBuffer(Unknown Source)
at sun.nio.cs.StreamEncoder.flushBuffer(Unknown Source)
at java.io.OutputStreamWriter.flushBuffer(Unknown Source)
at java.io.PrintStream.newLine(Unknown Source)
at java.io.PrintStream.println(Unknown Source)
at java.lang.Throwable.printStackTrace(Throwable.java:464)
at java.lang.Throwable.printStackTrace(Throwable.java:451)
at java.lang.Thread.dumpStack(Unknown Source)
at net.minecraft.world.chunk.Chunk.func_76612_a(Chunk.java:908)
at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75823_a(AnvilChunkLoader.java:414)
at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75822_a(AnvilChunkLoader.java:103)
at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75815_a(AnvilChunkLoader.java:83)
at net.minecraft.world.gen.ChunkProviderServer.func_73239_e(ChunkProviderServer.java:182)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:118)
at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:294)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:90)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:107)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:445)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)

You are out of memory. You need to allocate more memory. How many gigs of ram does your computer have?

4.00 GB total (3.80 GB usable)

p.s: the world is used for lan and its on a laptop

Ok so...

Go to your minecraft launcher. Select the modded profile you use, then click Edit Profile. On the bottom, Check "JVM Arguments", and replace the Xmx-1G with Xmx-3G

Try increasing the permgen space.

Try allocating more memory first

its not working, could i try hosting it on another computer?

Ok so uh try -Xmx4G and see if that works

Or yes you can host it on another computer.