faction

10.12 11:05:55 [Multicraft] Skipped 24 lines due to rate limit (30/s) 10.12 11:05:53 [Server] INFO at java.lang.ClassLoader.loadClass(Unknown Source) [?:1.7.0_17] 10.12 11:05:53 [Server] INFO at java.lang.ClassLoader.loadClass(Unknown Source) [?:1.7.0_17] 10.12 11:05:53 [Server] INFO at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_6_R3.PlayerInventory 10.12 11:05:53 [Server] INFO ... 9 more 10.12 11:05:53 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:173) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at java.lang.Class.forName(Unknown Source) [?:1.7.0_17] 10.12 11:05:53 [Server] INFO at java.lang.Class.forName0(Native Method) [?:1.7.0_17] 10.12 11:05:53 [Server] INFO at com.massivecraft.mcore.MCore.<clinit>(MCore.java:69) [?:?] 10.12 11:05:53 [Server] INFO at com.massivecraft.mcore.MCore.getMCoreGsonBuilder(MCore.java:84) [?:?] 10.12 11:05:53 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_6_R3/PlayerInventory 10.12 11:05:53 [Server] INFO at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:420) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:126) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at net.minecraft.server.v1_7_R1.DedicatedPlayerList.<init>(SourceFile:14) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at net.minecraft.server.v1_7_R1.PlayerList.<init>(PlayerList.java:63) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at org.bukkit.craftbukkit.v1_7_R1.CraftServer.<init>(CraftServer.java:233) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugins(CraftServer.java:255) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184) [craftbukkit-1.7.2-R0.1-20131209.222809-30.jar:git-Bukkit-1.6.4-R2.0-37-g4857595-b2951jnks] 10.12 11:05:53 [Server] INFO org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: net/minecraft/server/v1_6_R3/PlayerInventory 10.12 11:05:53 [Server] INFO [11:05:53 ERROR]: Could not load 'plugins/mcore.jar' in folder 'plugins'

please help!