Forge1.8.8を入れたらクラッシュして起動できないゲームデータがあり下記のレポートが表示されます。原因は何でしょうか。（クラッシュしないゲームデータもあるため、原因が分かりません）
windows7,メモリ4Ｇ,入れたmodはプロアクティブmodとThe-Sword-Art Online-Mod-1.7.10です。
あと何か判断に必要な環境設定等があるでしょうか。


---- Minecraft Crash Report ----
// Ouch. That hurt :(


java.io.EOFException
at java.io.DataInputStream.readInt(DataInputStream.java:392)
at net.minecraft.nbt.NBTTagList.func_152446_a(SourceFile:57)
at net.minecraft.nbt.NBTTagCompound.func_152449_a(NBTTagCompound.java:414)
at net.minecraft.nbt.NBTTagCompound.func_152446_a(NBTTagCompound.java:47)
at net.minecraft.nbt.CompressedStreamTools.func_152455_a(CompressedStreamTools.java:132)
at net.minecraft.nbt.CompressedStreamTools.func_152456_a(CompressedStreamTools.java:87)
at net.minecraft.nbt.CompressedStreamTools.func_74797_a(CompressedStreamTools.java:173)
at net.minecraftforge.common.ForgeChunkManager.loadWorld(ForgeChunkManager.java:420)
at net.minecraftforge.common.ForgeInternalHandler.onDimensionLoad(ForgeInternalHandler.java:64)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_0_ForgeInternalHandler_onDimensionLoad_Load.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:99)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:123)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:441)
at java.lang.Thread.run(Thread.java:745)


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

-- Head --
Stacktrace:
at java.io.DataInputStream.readInt(DataInputStream.java:392)
at net.minecraft.nbt.NBTTagList.func_152446_a(SourceFile:57)

itely; Client brand changed to 'fml,forge'