2013-06-24 17:51:05 [SEVERE] Could not load 'plugins/BKCommonLib-1.51.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_5_R2/inventory/CraftItemStack
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184)
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.loadPlugins(CraftServer.java:239)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.<init>(CraftServer.java:217)
	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:106)
	at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:382)
	at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_5_R2/inventory/CraftItemStack
	at com.bergerkiller.bukkit.common.conversion.type.WrapperConverter.<clinit>(WrapperConverter.java:224)
	at com.bergerkiller.bukkit.common.conversion.type.ConversionTypes.<clinit>(ConversionTypes.java:90)
	at com.bergerkiller.bukkit.common.utils.StringUtil.<clinit>(StringUtil.java:31)
	at com.bergerkiller.bukkit.common.ModuleLogger.<init>(ModuleLogger.java:29)
	at com.bergerkiller.bukkit.common.ModuleLogger.<init>(ModuleLogger.java:25)
	at com.bergerkiller.bukkit.common.internal.CommonPlugin.<clinit>(CommonPlugin.java:63)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:266)
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:173)
	... 9 more
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_5_R2.inventory.CraftItemStack
	at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
	... 18 more
2013-06-24 17:51:05 [SEVERE] Could not load 'plugins/MyWorlds-1.61.jar' in folder 'plugins'
org.bukkit.plugin.UnknownDependencyException: BKCommonLib
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:195)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.loadPlugins(CraftServer.java:239)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.<init>(CraftServer.java:217)
	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:106)
	at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:382)
	at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)