[21:26:35] [Netty Server IO #1/ERROR]: Error sending packet clientbound/minecraft:update_recipes
io.netty.handler.codec.EncoderException: Failed to encode packet 'clientbound/minecraft:update_recipes'
	at net.minecraft.network.codec.IdDispatchCodec.a(SourceFile:55) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.IdDispatchCodec.encode(SourceFile:14) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.PacketEncoder.a(SourceFile:26) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.PacketEncoder.encode(SourceFile:12) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at io.netty.handler.codec.MessageToByteEncoder.write(MessageToByteEncoder.java:107) ~[netty-codec-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:113) ~[netty-codec-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.ChannelOutboundHandlerAdapter.write(ChannelOutboundHandlerAdapter.java:113) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at net.minecraft.network.NetworkManager$2.write(NetworkManager.java:555) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:966) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:934) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:984) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at net.minecraft.network.NetworkManager.c(NetworkManager.java:374) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.NetworkManager.lambda$sendPacket$12(NetworkManager.java:367) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174) ~[netty-common-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167) ~[netty-common-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470) ~[netty-common-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569) ~[netty-transport-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.97.Final.jar:4.1.97.Final]
	at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.97.Final.jar:4.1.97.Final]
	at java.base/java.lang.Thread.run(Thread.java:1583) [?:?]
Caused by: io.netty.handler.codec.EncoderException: Empty ItemStack not allowed
	at net.minecraft.world.item.ItemStack$2.a(ItemStack.java:208) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.world.item.ItemStack$2.encode(ItemStack.java:195) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.ByteBufCodecs$11.a(SourceFile:378) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.ByteBufCodecs$11.encode(SourceFile:363) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.StreamCodec$8.encode(SourceFile:81) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.world.item.crafting.ShapedRecipePattern.a(SourceFile:181) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.StreamCodec$6.encode(SourceFile:42) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.world.item.crafting.ShapedRecipes$Serializer.a(ShapedRecipes.java:207) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.StreamCodec$1.encode(SourceFile:25) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.StreamCodec$10.encode(SourceFile:117) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.StreamCodec$12.encode(SourceFile:157) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.ByteBufCodecs$11.a(SourceFile:378) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.ByteBufCodecs$11.encode(SourceFile:363) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.StreamCodec$11.encode(SourceFile:136) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.StreamCodec$9.a(SourceFile:97) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.StreamCodec$9.encode(SourceFile:87) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
	at net.minecraft.network.codec.IdDispatchCodec.a(SourceFile:53) ~[spigot-1.21.1-R0.1-SNAPSHOT.jar:4344-Spigot-a759b62-19bf846]
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