[13:05:23] [Server thread/WARN] [minecraft/NetworkSystem]: Failed to handle packet for /104.0.127.219:56324
net.minecraft.util.ReportedException: Ticking player
        at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:459) ~[oq.class:?]
        at net.minecraft.network.NetHandlerPlayServer.update(NetHandlerPlayServer.java:173) ~[pa.class:?]
        at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.update(NetworkDispatcher.java:209) ~[NetworkDispatcher$1.class:?]
        at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:285) ~[gw.class:?]
        at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:180) [oz.class:?]
        at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:790) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.updateTimeLightAndEntities(DedicatedServer.java:397) [nz.class:?]
        at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:668) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526) [MinecraftServer.class:?]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_222]
Caused by: java.lang.NullPointerException
        at com.Shultrea.Rin.theeightfabledblades.interfaces.IFabledProperties.capOperateAC(IFabledProperties.java:162) ~[IFabledProperties.class:?]
        at com.Shultrea.Rin.theeightfabledblades.swords.SwordLunarEdge.onUpdate(SwordLunarEdge.java:200) ~[SwordLunarEdge.class:?]
        at net.minecraft.item.ItemStack.updateAnimation(ItemStack.java:526) ~[aip.class:?]
        at net.minecraft.entity.player.InventoryPlayer.decrementAnimations(InventoryPlayer.java:363) ~[aec.class:?]
        at net.minecraft.entity.player.EntityPlayer.onLivingUpdate(EntityPlayer.java:511) ~[aed.class:?]
        at net.minecraft.entity.EntityLivingBase.onUpdate(EntityLivingBase.java:2179) ~[vp.class:?]
        at net.minecraft.entity.player.EntityPlayer.onUpdate(EntityPlayer.java:234) ~[aed.class:?]
        at net.minecraft.entity.player.EntityPlayerMP.onUpdateEntity(EntityPlayerMP.java:382) ~[oq.class:?]
        ... 9 more