Tekkit Errors Which Crash the Server

[Gamz365]

Im getting the following errors which result in my Tekkit Server crashing. Can anybody help me?

02:09:02 [sEVERE]      at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

02:09:02 [sEVERE] Unexpected exception

java.lang.NoSuchMethodError: net.minecraft.server.EntityHuman.s_()V

        at ee.ItemCatalystStone.doRelease(ItemCatalystStone.java:262)

        at ee.ItemCatalystStone.a(ItemCatalystStone.java:38)

        at net.minecraft.server.ItemStack.a(ItemStack.java:97)

        at net.minecraft.server.ItemInWorldManager.useItem(ItemInWorldManager.java:271)

        at net.minecraft.server.ItemInWorldManager.interact(ItemInWorldManager.java:331)

        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:647)

        at net.minecraft.server.Packet15Place.handle(SourceFile:39)

        at net.minecraft.server.NetworkManager.b(NetworkManager.java:234)

        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:119)

        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:83)

        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:579)

        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:467)

        at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

02:09:04 [iNFO] GroupManager - INFO -  Data files refreshed.

02:12:07 [iNFO] Read timed out

02:19:04 [iNFO] GroupManager - INFO -  Data files refreshed.

[Torezu]

Wrong section - check out the Tekkit Bug Board.