HELP [3.1.3] Keeps crashing! IGNORE version ITS 3.1.3

[pablo67340]

Title: HELP [3.1.3] Keeps crashing! IGNORE version ITS 3.1.3

Version: 3.1.2

OS: Linux

Java Version: 7

Description of Problem:

The server keeps crashing after a while even when no ones on it. it is version 3.1.3

Error Messages:

IDK

Error Log:

/50.23.30.168:59357 lost connection

2012-12-02 03:35:00 [sEVERE] java.lang.NoSuchMethodError: buildcraft.api.PowerProvider.receiveEnergy(I)V

2012-12-02 03:35:00 [sEVERE] at buildcraft.energy.TileEngine.q_(TileEngine.java:126)

2012-12-02 03:35:00 [sEVERE] at net.minecraft.server.World.tickEntities(World.java:1189)

2012-12-02 03:35:00 [sEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:559)

2012-12-02 03:35:00 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:457)

2012-12-02 03:35:00 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

2012-12-02 03:35:00 [sEVERE] Unexpected exception

java.lang.NoSuchMethodError: buildcraft.api.PowerProvider.receiveEnergy(I)V

at buildcraft.energy.TileEngine.q_(TileEngine.java:126)

at net.minecraft.server.World.tickEntities(World.java:1189)

at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:559)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:457)

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