server error on startup

[larosa360]

when i start my 1.5.1 tekkit space server up it builds all the files then crashes giving me this error:

2013-06-03 14:29:59 [iNFO] Starting minecraft server version 1.5.1

2013-06-03 14:30:01 [sEVERE] Encountered an unexpected exception VerifyError

java.lang.VerifyError: (class: buildcraft/BuildCraftCore, method: loadConfiguration signature: (Lcpw/mods/fml/common/event/FMLPreInitializationEvent;)V) Bad type in putfield/putstatic

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Unknown Source)

at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:425)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:165)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:98)

at cpw.mods.fml.common.Loader.loadMods(Loader.java:503)

at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:85)

at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:350)

at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:69)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:429)

at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)

2013-06-03 14:30:01 [sEVERE] This crash report has been saved to: /home/mc/servers/tekkit/./crash-reports/crash-2013-06-03_14.30.01-server.txt

2013-06-03 14:36:20 [iNFO] Stopping server

Any ideas on how to fix this error?

[lukeb28]

2013-06-03 14:30:01 [sEVERE] This crash report has been saved to: /home/mc/servers/tekkit/./crash-reports/crash-2013-06-03_14.30.01-server.txt

Having that will help.