dvz error 1.5.2

02.05 14:12:29 [Server] INFO ... 12 more
02.05 14:12:29 [Server] INFO at java.lang.ClassLoader.loadClass(Unknown Source)
02.05 14:12:29 [Server] INFO at java.lang.ClassLoader.loadClass(Unknown Source)
02.05 14:12:29 [Server] INFO at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
02.05 14:12:29 [Server] INFO at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70)
02.05 14:12:29 [Server] INFO Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_5_R2.Packet
02.05 14:12:29 [Server] INFO ... 9 more
02.05 14:12:29 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:173)
02.05 14:12:29 [Server] INFO at java.lang.Class.forName(Unknown Source)
02.05 14:12:29 [Server] INFO at java.lang.Class.forName0(Native Method)
02.05 14:12:29 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_5_R2/Packet
02.05 14:12:29 [Server] INFO at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
02.05 14:12:29 [Server] INFO at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:382)
02.05 14:12:29 [Server] INFO at net.minecraft.server.v1_5_R3.DedicatedServer.init(DedicatedServer.java:106)
02.05 14:12:29 [Server] INFO at net.minecraft.server.v1_5_R3.DedicatedPlayerList.<init>(SourceFile:11)
02.05 14:12:29 [Server] INFO at net.minecraft.server.v1_5_R3.PlayerList.<init>(PlayerList.java:55)
02.05 14:12:29 [Server] INFO at org.bukkit.craftbukkit.v1_5_R3.CraftServer.<init>(CraftServer.java:217)
02.05 14:12:29 [Server] INFO at org.bukkit.craftbukkit.v1_5_R3.CraftServer.loadPlugins(CraftServer.java:239)
02.05 14:12:29 [Server] INFO at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
02.05 14:12:29 [Server] INFO at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
02.05 14:12:29 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184)
02.05 14:12:29 [Server] INFO org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: net/minecraft/server/v1_5_R2/Packet
02.05 14:12:29 [Server] SEVERE Could not load 'plugins/DisguiseCraft.jar' in folder 'plugins'