Server Crash

[TalynWulf]

Hi, I'm running Direpack V4 on a server with just me and my one friend, and after playing for almost a week, the server has started crashing every time he tries to log in with this error messge in the console:

Spoiler

[INFO] User riley_kadin connecting with mods [XyCraft, ThermalExpansion, RedPowerWiring, BuildCraft|Silicon, OmniTools, BuildCraft|Transport, ThermalExpansion|Transport, ChargePads, GraviSuite, BuildCraft|Core, IC2NuclearControl, ThermalExpansion|Factory, RedPowerCompat, CompactSolars, ObsidiPlates, RedPowerLogic, IC2, ThermalExpansion|Energy, Thaumcraft, StevesCarts, ExtrabiomesXL, Mystcraft, Forestry, ComputerCraft, GraviGun, BuildCraft|Factory, RedPowerMachine, IronChest, BuildCraft|Energy, SoulShards, Railcraft, EE3, RedPowerCore, MiscPeripherals, PortalGun, CCTurtle, ModularForceFieldSystem, RedPowerControl, factorization, RedPowerLighting, RedPowerBase, RedPowerWorld, BuildCraft|Builders]
2013-01-25 17:42:03 [INFO] riley_kadin[/25.208.21.106:50418] logged in with entity id 403 at (0.5, 120.0, 0.5)
2013-01-25 17:42:33 [SEVERE] Encountered an unexpected exception NoClassDefFoundError
java.lang.NoClassDefFoundError: l
at a.<init>(CrashReport.java:27)
at a.a(CrashReport.java:319)
at yc.a(World.java:412)
at com.eloraam.redpower.world.WorldGenMarble.a(WorldGenMarble.java:60)
at com.eloraam.redpower.world.WorldGenHandler.generate(WorldGenHandler.java:117)
at cpw.mods.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:90)
at im.a(ChunkProviderServer.java:259)
at zz.a(Chunk.java:1258)
at im.c(ChunkProviderServer.java:153)
at il.<init>(PlayerInstance.java:35)
at ik.a(SourceFile:172)
at ik.a(SourceFile:203)
at gm.a(ServerConfigurationManager.java:163)
at gm.c(ServerConfigurationManager.java:206)
at gm.a(ServerConfigurationManager.java:123)
at it.completeConnection(NetLoginHandler.java:195)
at cpw.mods.fml.common.network.FMLNetworkHandler.handleClientConnection(FMLNetworkHandler.java:153)
at cpw.mods.fml.common.network.FMLNetworkHandler.onConnectionReceivedFromClient(FMLNetworkHandler.java:107)
at it.d(NetLoginHandler.java:179)
at it.c(NetLoginHandler.java:72)
at hu.a(ServerListenThread.java:56)
at ht.b(SourceFile:29)
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:702)
at ho.r(DedicatedServer.java:270)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:598)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
at fy.run(SourceFile:849)
2013-01-25 17:42:33 [INFO] Stopping server
2013-01-25 17:42:33 [INFO] Saving players
2013-01-25 17:42:33 [INFO] Saving worlds
2013-01-25 17:42:33 [INFO] Saving chunks for level 'world'/Overworld
2013-01-25 17:42:33 [INFO] Saving chunks for level 'world'/Nether
2013-01-25 17:42:33 [INFO] Saving chunks for level 'world'/The End
2013-01-25 17:42:33 [INFO] Saving chunks for level 'world'/Age 20
2013-01-25 17:42:33 [INFO] Saving chunks for level 'world'/Home Age
2013-01-25 17:42:33 [INFO] Saving chunks for level 'world'/Age 25
2013-01-25 17:43:12 [INFO] Stopping server
2013-01-25 17:43:12 [INFO] Saving players
2013-01-25 17:43:12 [INFO] Saving worlds

Can we get some help, please?

 

[TalynWulf]

Nevermind, discovered it was a problem with RP2 worldgen and Mystcraft. Fixed it by deleting the player data to get us out of the age.