I tried updating from 6560538 to f8dbb9e

2013-07-27 05:28:19 [INFO] [TerrainControl] Starting to enable world 'ellador'...
2013-07-27 05:28:21 [INFO] [TerrainControl] [BOB ENABLE INFO] {{BEGIN}} ELLADOR/WORLDOBJECTS
2013-07-27 05:28:21 [SEVERE] java.lang.NullPointerException
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.configuration.ConfigFile.getSettingValueInvalidError(ConfigFile.java:122)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.configuration.ConfigFile.logSettingValueInvalid(ConfigFile.java:117)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.configuration.ConfigFile.readModSettings(ConfigFile.java:196)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.customobjects.bo2.BO2.readConfigSettings(BO2.java:297)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.customobjects.bo2.BO2.onEnable(BO2.java:77)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.customobjects.CustomObjectManager.loadObjects(CustomObjectManager.java:207)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.customobjects.CustomObjectManager.loadObjects(CustomObjectManager.java:157)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.configuration.WorldConfig.ReadWorldCustomObjects(WorldConfig.java:301)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.configuration.WorldConfig.(WorldConfig.java:180)
2013-07-27 05:28:21 [SEVERE] at com.khorn.terraincontrol.bukkit.TCPlugin.getDefaultWorldGenerator(TCPlugin.java:138)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.XWorld.getChunkGenerator(XWorld.java:609)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.XWorld.getWorldCreator(XWorld.java:590)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.XWorld.createOnThisServer(XWorld.java:570)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.prop.WPEnabled.doEnable(WPEnabled.java:65)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.prop.WPEnabled.apply(WPEnabled.java:44)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.prop.WorldPropertyBoolean.apply(WorldPropertyBoolean.java:1)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.prop.WorldProperty.apply(WorldProperty.java:252)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.XWorld.applyAll(XWorld.java:510)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.entity.xworld.XWorldColl.applyAll(XWorldColl.java:60)
2013-07-27 05:28:21 [SEVERE] at com.massivecraft.xcore.XCore.onEnable(XCore.java:144)
2013-07-27 05:28:21 [SEVERE] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
2013-07-27 05:28:21 [SEVERE] at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457)
2013-07-27 05:28:21 [SEVERE] at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:382)
2013-07-27 05:28:21 [SEVERE] at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugin(CraftServer.java:286)
2013-07-27 05:28:21 [SEVERE] at org.bukkit.craftbukkit.v1_6_R2.CraftServer.enablePlugins(CraftServer.java:268)
2013-07-27 05:28:21 [SEVERE] at net.minecraft.server.v1_6_R2.MinecraftServer.l(MinecraftServer.java:319)
2013-07-27 05:28:21 [SEVERE] at net.minecraft.server.v1_6_R2.MinecraftServer.f(MinecraftServer.java:296)
2013-07-27 05:28:21 [SEVERE] at net.minecraft.server.v1_6_R2.MinecraftServer.a(MinecraftServer.java:256)
2013-07-27 05:28:21 [SEVERE] at net.minecraft.server.v1_6_R2.DedicatedServer.init(DedicatedServer.java:164)
2013-07-27 05:28:21 [SEVERE] at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:397)
2013-07-27 05:28:21 [SEVERE] at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)

Thanks, fixed.

@rutgerkok Thank you.