crash chisel2 - 2.3.5.31

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 2/13/15 7:08 PM
Description: Exception in server tick loop

java.lang.NullPointerException: Cannot add variation in group RCAbyssalBlock for null block.
    at com.cricketcraft.chisel.carving.Carving.addVariation(Carving.java:152)
    at com.cricketcraft.chisel.Features$62.addBlocks(Features.java:1792)
    at com.cricketcraft.chisel.Features.loadBlocks(Features.java:2526)
    at com.cricketcraft.chisel.Features.preInit(Features.java:2595)
    at com.cricketcraft.chisel.Chisel.preInit(Chisel.java:117)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)
    at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
    at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
    at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:513)
    at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:88)
    at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:319)
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:170)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:620)
    at java.lang.Thread.run(Thread.java:745)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
    Minecraft Version: 1.7.10
    Operating System: Linux (amd64) version 2.6.32-042stab093.4
    Java Version: 1.7.0_65, Oracle Corporation
    Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 6672431832 bytes (6363 MB) / 7462518784 bytes (7116 MB) up to 7462518784 bytes (7116 MB)
    JVM Flags: 17 total; -Xmx7G -Xms7G -Xmn512m -XX:PermSize=1024m -XX:MaxPermSize=4096M -XX:TargetSurvivorRatio=80 -XX:MaxTenuringThreshold=15 -XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:+DisableExplicitGC -XX:MaxGCPauseMillis=40 -XX:GCPauseIntervalMillis=150 -XX:+AggressiveOpts -XX:+TieredCompilation -XX:ReservedCodeCacheSize=2048m -XX:+UseCodeCacheFlushing -XX:CompileThreshold=1000
    AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: ~~ERROR~~ NullPointerException: null
    AE2 Version: beta rv2-beta-8 for Forge 10.13.2.1230
    Mantle Environment: DO NOT REPORT THIS CRASH! Unsupported mods in environment: bukkit
    TConstruct Environment: Environment healthy.
    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'cauldron,craftbukkit,mcpc,fml,forge'
    Type: Dedicated Server (map_server.txt)