log 2

---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]

Time: 7/11/16 4:52 AM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: com/mojang/realmsclient/gui/ChatFormatting
	at com.thvardhan.ytstuff.YTEventHandler.onPlayerLogin(YTEventHandler.java:22)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_7_YTEventHandler_onPlayerLogin_PlayerLoggedInEvent.invoke(.dynamic)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:49)
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
	at net.minecraftforge.fml.common.FMLCommonHandler.firePlayerLoggedIn(FMLCommonHandler.java:557)
	at net.minecraft.server.management.ServerConfigurationManager.initializeConnectionToPlayer(ServerConfigurationManager.java:175)
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.completeServerSideConnection(NetworkDispatcher.java:239)
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher.access$100(NetworkDispatcher.java:54)
	at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.func_73660_a(NetworkDispatcher.java:190)
	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:289)
	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:189)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:724)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:344)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:605)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:481)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException: com.mojang.realmsclient.gui.ChatFormatting
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 16 more
Caused by: java.lang.NullPointerException
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
	... 18 more


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.8.9
	Operating System: Linux (amd64) version 3.14.32-xxxx-grs-ipv6-64
	Java Version: 1.8.0_72, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1859206528 bytes (1773 MB) / 2112880640 bytes (2015 MB) up to 9693560832 bytes (9244 MB)
	JVM Flags: 3 total; -Xmx10400M -Xms1024M -XX:MaxPermSize=256
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	FML: MCP 9.19 Powered by Forge 11.15.1.1902 5 mods loaded, 5 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJAAAA	mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJAAAA	FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.1902-1.8.9-universal.jar)
	UCHIJAAAA	Forge{11.15.1.1902} [Minecraft Forge] (forge-1.8.9-11.15.1.1902-1.8.9-universal.jar)
	UCHIJAAAA	ytstuff{1.1.0} [YouTube Stuff Mod] (DEBUG_ONLY.jar)
	UCHIJAAAA	worldedit{6.1.1} [WorldEdit] (worldedit-forge-mc1.8.9-6.1.1.jar)
	Loaded coremods (and transformers):
	Profiler Position: N/A (disabled)
	Player Count: 1 / 20; [EntityPlayerMP['thvardhan'/1801, l='world', x=173.50, y=79.00, z=235.50]]
	Is Modded: Definitely; Server brand changed to 'fml,forge'
	Type: Dedicated Server (map_server.txt)