Bukkit

Pets version 1.2.8
CraftBucket 1.4.5-R0.1-20121117.214113-9
Vault 1.2.19

looked at tamed cat
/pet new Snowball

internal error:

01:06:33 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'pet' in plugin Pets v1.2.8
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:502)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:985)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:903)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:858)
        at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:290)
        at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:113)
        at net.minecraft.server.ServerConnection.b(SourceFile:39)
        at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
        at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:595)
        at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222)
        at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:856)
Caused by: java.lang.ClassCastException: org.bukkit.craftbukkit.entity.CraftOcelot cannot be cast to org.bukkit.entity.Wolf
        at net.scylla.pets.commands.PetCommands.onCommand(PetCommands.java:79)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
        ... 15 more