BossBarAPI nie działa

[Nerdrod2]

Witam BossBarAPI nie działa mi i wywala takie błędy 

[15:52:13 ERROR]: Could not load 'plugins\BossBarAPI_v2.4.1 (1).jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: net/md_5/bungee/api/chat/BaseComponent
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:133) ~[craftbukkit.jar:git-Spigot-1592]
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[craftbukkit.jar:git-Spigot-1592]
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [craftbukkit.jar:git-Spigot-1592]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugins(CraftServer.java:369) [craftbukkit.jar:git-Spigot-1592]
        at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.java:152) [craftbukkit.jar:git-Spigot-1592]
        at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:458) [craftbukkit.jar:git-Spigot-1592]
        at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Spigot-1592]
Caused by: java.lang.NoClassDefFoundError: net/md_5/bungee/api/chat/BaseComponent
        at org.inventivetalent.bossbar.BossBarPlugin.<init>(BossBarPlugin.java:38) ~[?:?]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_121]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_121]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_121]
        at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_121]
        at java.lang.Class.newInstance(Unknown Source) ~[?:1.8.0_121]
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[craftbukkit.jar:git-Spigot-1592]
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[craftbukkit.jar:git-Spigot-1592]
        ... 6 more
Caused by: java.lang.ClassNotFoundException: net.md_5.bungee.api.chat.BaseComponent
        at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_121]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:101) ~[craftbukkit.jar:git-Spigot-1592]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[craftbukkit.jar:git-Spigot-1592]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_121]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_121]
        at org.inventivetalent.bossbar.BossBarPlugin.<init>(BossBarPlugin.java:38) ~[?:?]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_121]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_121]
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:1.8.0_121]
        at java.lang.reflect.Constructor.newInstance(Unknown Source) ~[?:1.8.0_121]
        at java.lang.Class.newInstance(Unknown Source) ~[?:1.8.0_121]
        at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[craftbukkit.jar:git-Spigot-1592]
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:129) ~[craftbukkit.jar:git-Spigot-1592]
        ... 6 more