---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 16. 5. 1 오후 2:23
Description: FML will not run in demo mode

java.lang.RuntimeException
 at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:184)
 at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
 at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)
 at net.minecraft.client.main.Main.main(SourceFile:148)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
 at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

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

-- System Details --
Details:
 Minecraft Version: 1.7.10
 Operating System: Windows 7 (x86) version 6.1
 Java Version: 1.8.0_77, Oracle Corporation
 Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
 Memory: 31508160 bytes (30 MB) / 93679616 bytes (89 MB) up to 1037959168 bytes (989 MB)
 JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3G -Xmx1G
 AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
 IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
 FML:

HG서버라는 RPG서버에서 클라이언트를 다운받아서 했는데 오류가 뜨네요 ㅠㅠ