ChatManager Error

[16:43:19] [Server thread/ERROR]: Could not load 'plugins/ChatManager v6.3.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NullPointerException
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:135) ~[custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:329) ~[custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:292) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.reload(CraftServer.java:739) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.Bukkit.reload(Bukkit.java:535) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:25) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_51]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_51]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [custom_server.jar:git-Spigot-76236cb-62a2169]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_51]
Caused by: java.lang.NullPointerException
	at me.SgtBud.ChatManager.ChatManager.<init>(ChatManager.java:60) ~[?:?]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:1.8.0_51]
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) ~[?:1.8.0_51]
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_51]
	at java.lang.reflect.Constructor.newInstance(Constructor.java:422) ~[?:1.8.0_51]
	at java.lang.Class.newInstance(Class.java:442) ~[?:1.8.0_51]
	at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:76) ~[custom_server.jar:git-Spigot-76236cb-62a2169]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[custom_server.jar:git-Spigot-76236cb-62a2169]
	... 21 more