11:31:40 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'duel' in plugin TwentureFight v2.1.3
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:146) ~[patched.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:666) ~[patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1189) [patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1001) [patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [patched.jar:git-PaperSpigot-"4c7641d"]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_91]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_91]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774) [patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [patched.jar:git-PaperSpigot-"4c7641d"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [patched.jar:git-PaperSpigot-"4c7641d"]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
Caused by: java.lang.NoClassDefFoundError: net/minelink/ctplus/CombatTagPlus
        at ru.twenturecraft.twenturefight.TwentureFight.onCommand(TwentureFight.java:560) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched.jar:git-PaperSpigot-"4c7641d"]
        ... 15 more
Caused by: java.lang.ClassNotFoundException: net.minelink.ctplus.CombatTagPlus
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_91]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:102) ~[patched.jar:git-PaperSpigot-"4c7641d"]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:87) ~[patched.jar:git-PaperSpigot-"4c7641d"]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_91]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_91]
        at ru.twenturecraft.twenturefight.TwentureFight.onCommand(TwentureFight.java:560) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched.jar:git-PaperSpigot-"4c7641d"]
        ... 15 more
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