net.minecraft.crash.ReportedException: Ticking memory connection
	at net.minecraft.network.NetworkSystem.tick(NetworkSystem.java:137) ~[forge:?]
	at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:865) ~[forge:?]
	at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:787) ~[forge:?]
	at net.minecraft.server.integrated.IntegratedServer.tickServer(IntegratedServer.java:78) ~[forge:?]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:642) ~[forge:?]
	at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:232) ~[forge:?]
	at java.lang.Thread.run(Thread.java:831) [?:?]
Caused by: java.lang.NullPointerException: Cannot invoke "Object.equals(Object)" because the return value of "com.ds.projectdawn.capabilites.IStaff.getCastSound()" is null
	at com.ds.projectdawn.capabilites.StaffStorage.writeNBT(StaffStorage.java:20) ~[?:?]
	at com.ds.projectdawn.capabilites.StaffStorage.writeNBT(StaffStorage.java:13) ~[?:?]
	at net.minecraftforge.common.capabilities.Capability.writeNBT(Capability.java:114) ~[forge:?]
	at com.ds.projectdawn.capabilites.StaffProvider.serializeNBT(StaffProvider.java:33) ~[?:?]
	at com.ds.projectdawn.capabilites.StaffProvider.serializeNBT(StaffProvider.java:12) ~[?:?]
	at net.minecraftforge.common.capabilities.CapabilityDispatcher.serializeNBT(CapabilityDispatcher.java:127) ~[forge:?]
	at net.minecraftforge.common.capabilities.CapabilityProvider.serializeCaps(CapabilityProvider.java:86) ~[forge:?]
	at net.minecraft.item.ItemStack.copy(ItemStack.java:348) ~[forge:?]
	at net.minecraft.network.play.server.SWindowItemsPacket.<init>(SWindowItemsPacket.java:25) ~[forge:?]
	at net.minecraft.entity.player.ServerPlayerEntity.refreshContainer(ServerPlayerEntity.java:957) ~[forge:?]
	at net.minecraft.inventory.container.Container.addSlotListener(Container.java:98) ~[forge:?]
	at net.minecraft.entity.player.ServerPlayerEntity.initMenu(ServerPlayerEntity.java:332) ~[forge:?]
	at net.minecraft.server.management.PlayerList.placeNewPlayer(PlayerList.java:230) ~[forge:?]
	at net.minecraft.network.login.ServerLoginNetHandler.handleAcceptedLogin(ServerLoginNetHandler.java:118) ~[forge:?]
	at net.minecraft.network.login.ServerLoginNetHandler.tick(ServerLoginNetHandler.java:65) ~[forge:?]
	at net.minecraft.network.NetworkManager.tick(NetworkManager.java:222) ~[forge:?]
	at net.minecraft.network.NetworkSystem.tick(NetworkSystem.java:134) ~[forge:?]
	... 6 more