[08:00:10] [Server thread/ERROR]: Could not load 'plugins/PerWorldPlugins (1).jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.ClassNotFoundException: me.Incomprehendable.PerWorldPlugins.WorldPlugins
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184) ~[spigot.jar:git-Spigot-1239]
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:309) ~[spigot.jar:git-Spigot-1239]
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:231) [spigot.jar:git-Spigot-1239]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugins(CraftServer.java:259) [spigot.jar:git-Spigot-1239]
	at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:135) [spigot.jar:git-Spigot-1239]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:430) [spigot.jar:git-Spigot-1239]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1239]
Caused by: java.lang.ClassNotFoundException: me.Incomprehendable.PerWorldPlugins.WorldPlugins
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366) ~[?:1.7.0_40]
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355) ~[?:1.7.0_40]
	at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_40]
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354) ~[?:1.7.0_40]
	at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:80) ~[spigot.jar:git-Spigot-1239]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53) ~[spigot.jar:git-Spigot-1239]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.7.0_40]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.7.0_40]
	at java.lang.Class.forName0(Native Method) ~[?:1.7.0_40]
	at java.lang.Class.forName(Class.java:270) ~[?:1.7.0_40]
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:173) ~[spigot.jar:git-Spigot-1239]
	... 6 more