Bukkit

Gun+ plugins does not work.
Plugin Version: Guns+[1.2.5] for CB 1.2.5-R3.0
Spout version:#1197
Bukkit version: 1.2.5-R3.0

14:10:11 [SEVERE] Could not load 'plugins/GunsPlus.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoSuchFieldError: MOUSE_RIGHT
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:151)
    at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305)
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
    at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:213)
    at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:189)
    at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:53)
    at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:166)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432)
    at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: java.lang.NoSuchFieldError: MOUSE_RIGHT
    at team.GunsPlus.Enum.KeyType.<init>(KeyType.java:15)
    at team.GunsPlus.GunsPlus.<clinit>(GunsPlus.java:59)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:247)
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:140)
    ... 8 more

This error shows no details of Mobile admin causing this. Does Mobile Admin cause this error?