Помогите Иногда крашится сервер из-за ошибки в ThermalDynamics

Редко, но метко крашится сервер из-за cannot be cast to в thermaldynamics. Вот сам краш:

Spoiler: Краш

Code:

---- Minecraft Crash Report ----
// Sorry :(

Time: 7/21/16 5:47 PM
Description: Exception in server tick loop

java.lang.ClassCastException: net.minecraft.block.BlockAir cannot be cast to cofh.thermaldynamics.duct.BlockDuct
    at cofh.thermaldynamics.block.TileTDBase.getDuctType(TileTDBase.java:758)
    at cofh.thermaldynamics.duct.item.TileItemDuct.getWeight(TileItemDuct.java:230)
    at cofh.thermaldynamics.multiblock.Route.<init>(Route.java:33)
    at cofh.thermaldynamics.multiblock.RouteCache.moveForwards(RouteCache.java:123)
    at cofh.thermaldynamics.multiblock.RouteCache.processStep(RouteCache.java:73)
    at cofh.thermaldynamics.multiblock.MultiBlockGridWithRoutes.doTickProcessing(MultiBlockGridWithRoutes.java:20)
    at cofh.thermaldynamics.core.WorldGridList.tickEnd(WorldGridList.java:73)
    at cofh.thermaldynamics.core.TickHandler.tick(TickHandler.java:95)
    at cpw.mods.fml.common.eventhandler.ASMEventHandler_121_TickHandler_tick_WorldTickEvent.invoke(.dynamic)
    at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
    at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:140)
    at cpw.mods.fml.common.FMLCommonHandler.onPostWorldTick(FMLCommonHandler.java:259)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:1006)
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:841)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)
    at java.lang.Thread.run(Thread.java:745)

Гуглил ошибку, ссылали на их гитхаб, но решения проблемы я там так и не нашел..
Версия сервера 1.7.10
Ядро Thermos:1.7.10-1614.56
ThermalDynamics-[1.7.10]1.1.0-161
Заранее спасибо за помощь!