20:09:46 [SEVERE] Could not load 'plugins\KillRank__v1.2.5_.jar' in folder 'plug
ins'
org.bukkit.plugin.InvalidPluginException: java.lang.ClassNotFoundException: kill
rank.KillRank
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:154)
        at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.
java:305)
        at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager
.java:230)
        at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:223)
        at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:199)
        at net.minecraft.server.ServerConfigurationManagerAbstract.<init>(Server
ConfigurationManagerAbstract.java:50)
        at net.minecraft.server.ServerConfigurationManager.<init>(SourceFile:11)

        at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:105)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:377)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.ClassNotFoundException: killrank.KillRank
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.
java:44)
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.
java:29)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:143)
        ... 9 more