gistfile1.txt

[20/6/2015 04:15:18 AM] [Server thread/ERROR]: Couldn't process command: 'help'
[20/6/2015 04:15:18 AM] java.lang.NoSuchMethodError: net.minecraft.server.management.UserListOps.func_152690_d()Z
[20/6/2015 04:15:18 AM] 	at k4unl.minecraft.k4lib.lib.Functions.isPlayerOpped(Functions.java:55) ~[Functions.class:?]
[20/6/2015 04:15:18 AM] 	at k4unl.minecraft.k4lib.commands.CommandK4OpOnly.func_71519_b(CommandK4OpOnly.java:19) ~[CommandK4OpOnly.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.command.CommandHandler.func_71557_a(CommandHandler.java:219) ~[z.class:?]
[20/6/2015 04:15:18 AM] 	at com.matthewprenger.helpfixer.HelpFixer$1.func_71534_d(HelpFixer.java:33) ~[HelpFixer$1.class:1.0.7]
[20/6/2015 04:15:18 AM] 	at net.minecraft.command.CommandHelp.func_71515_b(SourceFile:38) ~[au.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.command.CommandHandler.func_71556_a(CommandHandler.java:94) [z.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:739) [nh.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:718) [nh.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:37) [ir.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(SourceFile:9) [ir.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212) [ej.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165) [nc.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659) [MinecraftServer.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) [MinecraftServer.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111) [bsx.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [MinecraftServer.class:?]
[20/6/2015 04:15:18 AM] 	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [?:?]
[20/6/2015 04:15:18 AM] [Client thread/INFO]: [CHAT] An unknown error occurred while attempting to perform this command