[16:30:53] [Server thread/WARN] [HoloInventory]: Some error while sending over inventory, no hologram for you :(
[16:30:53] [Server thread/WARN] [HoloInventory]: Please make an issue on github if this happens.
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]: java.lang.NullPointerException
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.dries007.holoInventory.util.InventoryData.toNBT(InventoryData.java:86)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.dries007.holoInventory.util.InventoryData.sendIfOld(InventoryData.java:54)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.dries007.holoInventory.server.ServerEventHandler.doStuff(ServerEventHandler.java:228)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.dries007.holoInventory.server.ServerEventHandler.event(ServerEventHandler.java:156)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.common.eventhandler.ASMEventHandler_374_ServerEventHandler_event_PlayerTickEvent.invoke(.dynamic)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at cpw.mods.fml.common.FMLCommonHandler.onPlayerPostTick(FMLCommonHandler.java:350)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:353)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:295)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.network.NetHandlerPlayServer.func_147347_a(NetHandlerPlayServer.java:303)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.network.play.client.C03PacketPlayer.func_148833_a(SourceFile:137)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.network.play.client.C03PacketPlayer$C05PacketPlayerLook.func_148833_a(SourceFile:98)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
[16:30:53] [Server thread/INFO] [STDERR]: [java.lang.Throwable$WrappedPrintStream:println:748]:     at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)