[18:20:13] [Craft Scheduler Thread - 352/WARN]: More than one exception was raised. Will report only the first one and log others.
java.lang.NullPointerException
	at io.netty.channel.ChannelOutboundBuffer.addFlush(ChannelOutboundBuffer.java:141) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at io.netty.channel.AbstractChannel$AbstractUnsafe.flush(AbstractChannel.java:675) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at io.netty.channel.DefaultChannelPipeline$HeadContext.flush(DefaultChannelPipeline.java:1059) ~[spigot.jar:git-Spigot-db6de12-18fbb24]
	at io.netty.channel.AbstractChannelHandlerContext.invokeFlush(AbstractChannelHandlerContext.java:688) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:718) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:706) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:741) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:895) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:240) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at dk.lockfuglsang.wolfencraft.intercept.PacketInterceptor$2.writeAndFlush(PacketInterceptor.java:78) [HolographicScoreboard.jar:?]
	at net.minecraft.server.v1_8_R3.NetworkManager.a(NetworkManager.java:184) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.NetworkManager.handle(NetworkManager.java:141) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnection.sendPacket(PlayerConnection.java:907) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at sun.reflect.GeneratedMethodAccessor89.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_212]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_212]
	at de.epiceric.shopchest.utils.Utils.sendPacket(Utils.java:361) [ShopChest.jar:?]
	at de.epiceric.shopchest.nms.ArmorStandWrapper.setVisible(ArmorStandWrapper.java:85) [ShopChest.jar:?]
	at de.epiceric.shopchest.nms.Hologram$2.run(Hologram.java:175) [ShopChest.jar:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53) [spigot.jar:git-Spigot-db6de12-18fbb24]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_212]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_212]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]