Помогите Ошибка с CreativeGates на сервере MCPC PLUS 1.4.7

На сервере MCPC PLUS 1.4.7 стоит плагин CreativeGates
Выводится ошибка:

Код:

2013-02-22 17:23:19 [INFO] [CreativeGates] Enabling CreativeGates v1.3.5
2013-02-22 17:23:19 [INFO] [CreativeGates v1.3.5] === ENABLE START ===
2013-02-22 17:23:19 [SEVERE] Error occurred while enabling CreativeGates v1.3.5 (Is it up to date?)
java.lang.NoClassDefFoundError: com/google/gson/GsonBuilder
    at com.massivecraft.creativegates.zcore.MPlugin.getGsonBuilder(Unknown Source)
    at com.massivecraft.creativegates.zcore.MPlugin.preEnable(Unknown Source)
    at com.massivecraft.creativegates.CreativeGates.onEnable(Unknown Source)
    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
    at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:427)
    at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
    at org.bukkit.craftbukkit.v1_4_R1.CraftServer.loadPlugin(CraftServer.java:289)
    at org.bukkit.craftbukkit.v1_4_R1.CraftServer.enablePlugins(CraftServer.java:271)
    at net.minecraft.server.MinecraftServer.j(MinecraftServer.java:602)
    at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:568)
    at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:447)
    at ho.c(DedicatedServer.java:203)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:724)
    at fy.run(ThreadMinecraftServer.java:16)

Можно ли это исправить?

 

Установи MCore