SkyLandsPlus wont load in 1.5.1

[BearFather]

When I Load CraftBukkit build 2700 (1.5.1) with SkyLandsPlus build 16, I get the following error on startup.

02:27:47 [SEVERE] Could not load 'plugins\SkylandsPlus.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: com/co
mphenix/protocol/events/PacketListener
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava: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_R2.CraftServer.loadPlugins(CraftServer.ja
va:239)
at org.bukkit.craftbukkit.v1_5_R2.CraftServer.(CraftServer.java:21
7)
at net.minecraft.server.v1_5_R2.PlayerList.(PlayerList.java:56)
at net.minecraft.server.v1_5_R2.DedicatedPlayerList.(SourceFile:11
)
at net.minecraft.server.v1_5_R2.DedicatedServer.init(DedicatedServer.jav
a:105)
at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java
:381)
at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:5
73)
Caused by: java.lang.NoClassDefFoundError: com/comphenix/protocol/events/PacketL
istener
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j
ava:173)
... 9 more
Caused by: java.lang.ClassNotFoundException: com.comphenix.protocol.events.Packe
tListener
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.findClass0(PluginClassLoader
.java:80)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.
java:53)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 12 more

[Darkitz]

I tried it and it works with the newest (dev) Craftbukkit build.
just make sure you installed ProtocolLib on your server