NPGuys 1.3

[00:36:55] [Server thread/ERROR]: Error occurred while enabling NPGuys v1.3.0 BETA (Is it up to date?)
java.lang.NoClassDefFoundError: net/citizensnpcs/api/CitizensPlugin
	at pl.ragecraft.npguys.ElementManager.setupCitizens(ElementManager.java:97) ~[?:?]
	at pl.ragecraft.npguys.ElementManager.reload(ElementManager.java:71) ~[?:?]
	at pl.ragecraft.npguys.ElementManager.init(ElementManager.java:63) ~[?:?]
	at pl.ragecraft.npguys.NPGuys.onEnable(NPGuys.java:60) ~[?:?]
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:324) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:404) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugin(CraftServer.java:455) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at org.bukkit.craftbukkit.v1_7_R4.CraftServer.enablePlugins(CraftServer.java:389) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at net.minecraft.server.v1_7_R4.MinecraftServer.n(MinecraftServer.java:352) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at net.minecraft.server.v1_7_R4.MinecraftServer.g(MinecraftServer.java:326) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at net.minecraft.server.v1_7_R4.MinecraftServer.a(MinecraftServer.java:282) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at net.minecraft.server.v1_7_R4.DedicatedServer.init(DedicatedServer.java:189) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:436) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
Caused by: java.lang.ClassNotFoundException: net.citizensnpcs.api.CitizensPlugin
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366) ~[?:1.7.0_67]
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355) ~[?:1.7.0_67]
	at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_67]
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354) ~[?:1.7.0_67]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:77) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:62) ~[craftbukkit.jar:git-Bukkit-1.7.9-R0.2-24-g07d4558-b3116jnks]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425) ~[?:1.7.0_67]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ~[?:1.7.0_67]
	... 15 more