Probleme de Plugins ArenaPaintball

[MrFailXXX]

Bonjour, je m'appelle Mathieu et j'ai récament ouvert un serveur bukkit avec plusieurs plugins et parmis ceux-la j'ai installer le plugins ArenaPaintball. J'ai eu un probleme avec ce plugins que empeche le serveur de le prendre en compte mais, je n'en connais pas la scource. J<aurais vraiment besoins de votre aide. Merci d'avance.
Mathieu
Voici mon erreur dans les logs :

1. [04:54:03] [Server thread/ERROR]: Could not load 'plugins/ArenaPaintball.jar' in folder 'plugins'
2. org.bukkit.plugin.UnknownDependencyException: BattleArena
3. at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:216) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
4. at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugins(CraftServer.java:350) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
5. at org.bukkit.craftbukkit.v1_7_R1.CraftServer.<init>(CraftServer.java:312) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
6. at net.minecraft.server.v1_7_R1.PlayerList.<init>(PlayerList.java:63) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
7. at net.minecraft.server.v1_7_R1.DedicatedPlayerList.<init>(SourceFile:14) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
8. at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:126) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
9. at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:424) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
10. at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
11. [04:54:03] [Server thread/ERROR]: Could not load 'plugins/mcore.jar' in folder 'plugins'
12. org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: net/minecraft/server/v1_7_R2/PlayerInventory
13. at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) ~[1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
14. at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:328) ~[1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
15. at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:251) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
16. at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugins(CraftServer.java:350) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
17. at org.bukkit.craftbukkit.v1_7_R1.CraftServer.<init>(CraftServer.java:312) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
18. at net.minecraft.server.v1_7_R1.PlayerList.<init>(PlayerList.java:63) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
19. at net.minecraft.server.v1_7_R1.DedicatedPlayerList.<init>(SourceFile:14) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
20. at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:126) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
21. at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:424) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
22. at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
23. Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_7_R2/PlayerInventory
24. at com.massivecraft.mcore.MCore.getMCoreGsonBuilder(MCore.java:83) ~[?:?]
25. at com.massivecraft.mcore.MCore.<clinit>(MCore.java:68) ~[?:?]
26. at java.lang.Class.forName0(Native Method) ~[?:1.7.0_51]
27. at java.lang.Class.forName(Class.java:270) ~[?:1.7.0_51]
28. at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:40) ~[1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
29. at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:127) ~[1.7.2-R0.4-3023.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]
30. ... 9 more