2013-06-07 15:10:05 [SEVERE] Could not load 'plugins\DonatorShop.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.ClassCastException: class com.robbyduke.plugins.donatorshop.Main
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184)
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:307)
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:231)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.loadPlugins(CraftServer.java:263)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.<init>(CraftServer.java:241)
	at net.minecraft.server.v1_5_R3.PlayerList.<init>(PlayerList.java:55)
	at net.minecraft.server.v1_5_R3.DedicatedPlayerList.<init>(SourceFile:11)
	at net.minecraft.server.v1_5_R3.DedicatedServer.init(DedicatedServer.java:95)
	at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:388)
	at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.ClassCastException: class com.robbyduke.plugins.donatorshop.Main
	at java.lang.Class.asSubclass(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:174)
	... 9 more