monkeyeatsps3

Title: World cut out Version: 3.1.2 OS: os x 10.8.2 Java Version: verison 6 Description of Problem: when opening world on server a chunk my tree house is missing. The tree house was built on a bukkit server and mcedited onto the tekkit world. everything was fine until the server crashed after powering a redstone engine for a wooden pipe. when i next went on the world a quater of the tree was missing (with the ground before mcedit changed the ground) where the engine was. However when i open the world in mc edit, everything is there, can i fix this? Error Messages: 20:39:22 [sEVERE] java.lang.NoSuchMethodError: buildcraft.api.PowerProvider.receiveEnergy(I)V 20:39:22 [sEVERE] at buildcraft.energy.TileEngine.q_(TileEngine.java:126) 20:39:22 [sEVERE] at net.minecraft.server.World.tickEntities(World.java:1189) 20:39:22 [sEVERE] at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:559) 20:39:22 [sEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:457) 20:39:22 [sEVERE] at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) 20:39:22 [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) Error Log: