[Server thread/FATAL]: Error executing task
java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: Cannot set property PropertyDirection{name=facing, clazz=class net.minecraft.util.EnumFacing, values=[north, south, west, east]} to down on block pandorasbox:pandorasBox, it is not an allowed value
    at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_91]
    at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_91]
    at net.minecraft.util.Util.func_181617_a(SourceFile:46) [h.class:?]
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:668) [MinecraftServer.class:?]
    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:387) [ld.class:?]
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:613) [MinecraftServer.class:?]
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471) [MinecraftServer.class:?]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
Caused by: java.lang.IllegalArgumentException: Cannot set property PropertyDirection{name=facing, clazz=class net.minecraft.util.EnumFacing, values=[north, south, west, east]} to down on block pandorasbox:pandorasBox, it is not an allowed value
    at net.minecraft.block.state.BlockStateContainer$StateImplementation.func_177226_a(BlockStateContainer.java:222) ~[art$a.class:?]
    at ivorius.pandorasbox.block.BlockPandorasBox.func_176203_a(BlockPandorasBox.java:103) ~[BlockPandorasBox.class:?]
    at biomesoplenty.common.handler.AchievementEventHandler.onBlockPlaced(AchievementEventHandler.java:184) ~[AchievementEventHandler.class:?]
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_140_AchievementEventHandler_onBlockPlaced_PlaceEvent.invoke(.dynamic) ~[?:?]
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:72) ~[ASMEventHandler.class:?]
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:168) ~[EventBus.class:?]
    at net.minecraftforge.event.ForgeEventFactory.onPlayerBlockPlace(ForgeEventFactory.java:128) ~[ForgeEventFactory.class:?]
    at net.minecraftforge.common.ForgeHooks.onPlaceItemIntoWorld(ForgeHooks.java:786) ~[ForgeHooks.class:?]
    at net.minecraft.item.ItemStack.func_179546_a(ItemStack.java:144) ~[adz.class:?]
    at net.minecraft.server.management.PlayerInteractionManager.func_187251_a(PlayerInteractionManager.java:493) ~[lv.class:?]
    at net.minecraft.network.NetHandlerPlayServer.func_184337_a(NetHandlerPlayServer.java:679) ~[me.class:?]
    at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.func_148833_a(SourceFile:55) ~[jj.class:?]
    at net.minecraft.network.play.client.CPacketPlayerTryUseItemOnBlock.func_148833_a(SourceFile:11) ~[jj.class:?]
    at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) ~[fl$1.class:?]
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[?:1.8.0_91]
    at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_91]
    at net.minecraft.util.Util.func_181617_a(SourceFile:45) ~[h.class:?]
    ... 5 more