Botania (Fabric/Quilt)

Botania (Fabric/Quilt)

7M Downloads

When summoning Gaia, Gaia does not appear

FortyTwoCn opened this issue ยท 3 comments

commented

Mod Loader

Forge

Minecraft Version

1.21.1

Botania version

1.21.1-451

Modloader version

NeoForge 203

Modpack info

No response

The latest.log file

null

Issue description

Image When summoning Gaia, Gaia does not appear, and even with the hitbox display turned on, it cannot be found

Steps to reproduce

No response

Other information

No response

commented

Seems to work fine on Fabric, except that the boss bar stays empty. As a reminder, Botania shaders and most external shaders don't mix too well, which could cause things to become invisible.

On NeoForge I get a crash right when starting the fight, so I can't actually test your issue yet.
Crash log:

[19:58:20] [Netty Server IO #1/WARN] [io.ne.ch.ChannelOutboundBuffer/]: Failed to mark a promise as success because it has failed already: DefaultChannelPromise@1cc427f6(failure: io.netty.handler.codec.EncoderException: java.lang.NullPointerException: element), unnotified cause:
io.netty.handler.codec.EncoderException: java.lang.NullPointerException: element
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.ChannelOutboundHandlerAdapter.write(ChannelOutboundHandlerAdapter.java:113) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection$2.write(Connection.java:544) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:966) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:934) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:984) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.doSendPacket(Connection.java:373) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.lambda$sendPacket$12(Connection.java:368) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {}
Caused by: java.lang.NullPointerException: element
	at MC-BOOTSTRAP/[email protected]/io.netty.util.internal.ObjectUtil.checkNotNull(ObjectUtil.java:39) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.CodecOutputList.add(CodecOutputList.java:120) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.protocol.BundlerInfo$1.unbundlePacket(BundlerInfo.java:42) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.PacketBundleUnpacker.encode(PacketBundleUnpacker.java:17) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.PacketBundleUnpacker.encode(PacketBundleUnpacker.java:9) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:90) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	... 22 more
[19:58:20] [Netty Server IO #1/ERROR] [minecraft/Connection]: Exception caught in connection
io.netty.handler.codec.EncoderException: java.lang.NullPointerException: element
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.ChannelOutboundHandlerAdapter.write(ChannelOutboundHandlerAdapter.java:113) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection$2.write(Connection.java:544) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:966) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:934) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:984) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.doSendPacket(Connection.java:373) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.lambda$sendPacket$12(Connection.java:368) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {}
Caused by: java.lang.NullPointerException: element
	at MC-BOOTSTRAP/[email protected]/io.netty.util.internal.ObjectUtil.checkNotNull(ObjectUtil.java:39) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.CodecOutputList.add(CodecOutputList.java:120) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.protocol.BundlerInfo$1.unbundlePacket(BundlerInfo.java:42) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.PacketBundleUnpacker.encode(PacketBundleUnpacker.java:17) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.PacketBundleUnpacker.encode(PacketBundleUnpacker.java:9) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:90) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	... 22 more
[19:58:20] [Server thread/INFO] [minecraft/ServerGamePacketListenerImpl]: Dev lost connection: Internal Exception: io.netty.handler.codec.EncoderException: java.lang.NullPointerException: element
commented

Seems to work fine on Fabric, except that the boss bar stays empty. As a reminder, Botania shaders and most external shaders don't mix too well, which could cause things to become invisible.

On NeoForge I get a crash right when starting the fight, so I can't actually test your issue yet. Crash log:

[19:58:20] [Netty Server IO #1/WARN] [io.ne.ch.ChannelOutboundBuffer/]: Failed to mark a promise as success because it has failed already: DefaultChannelPromise@1cc427f6(failure: io.netty.handler.codec.EncoderException: java.lang.NullPointerException: element), unnotified cause:
io.netty.handler.codec.EncoderException: java.lang.NullPointerException: element
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.ChannelOutboundHandlerAdapter.write(ChannelOutboundHandlerAdapter.java:113) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection$2.write(Connection.java:544) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:966) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:934) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:984) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.doSendPacket(Connection.java:373) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.lambda$sendPacket$12(Connection.java:368) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {}
Caused by: java.lang.NullPointerException: element
	at MC-BOOTSTRAP/[email protected]/io.netty.util.internal.ObjectUtil.checkNotNull(ObjectUtil.java:39) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.CodecOutputList.add(CodecOutputList.java:120) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.protocol.BundlerInfo$1.unbundlePacket(BundlerInfo.java:42) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.PacketBundleUnpacker.encode(PacketBundleUnpacker.java:17) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.PacketBundleUnpacker.encode(PacketBundleUnpacker.java:9) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:90) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	... 22 more
[19:58:20] [Netty Server IO #1/ERROR] [minecraft/Connection]: Exception caught in connection
io.netty.handler.codec.EncoderException: java.lang.NullPointerException: element
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:863) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:968) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:856) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.ChannelOutboundHandlerAdapter.write(ChannelOutboundHandlerAdapter.java:113) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection$2.write(Connection.java:544) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:966) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:934) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:984) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1025) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:306) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.doSendPacket(Connection.java:373) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.Connection.lambda$sendPacket$12(Connection.java:368) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:174) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:167) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569) ~[netty-transport-4.1.97.Final.jar%23117!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {}
Caused by: java.lang.NullPointerException: element
	at MC-BOOTSTRAP/[email protected]/io.netty.util.internal.ObjectUtil.checkNotNull(ObjectUtil.java:39) ~[netty-common-4.1.97.Final.jar%23110!/:4.1.97.Final] {}
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.CodecOutputList.add(CodecOutputList.java:120) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1596) ~[?:?] {}
	at TRANSFORMER/[email protected]/net.minecraft.network.protocol.BundlerInfo$1.unbundlePacket(BundlerInfo.java:42) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.PacketBundleUnpacker.encode(PacketBundleUnpacker.java:17) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at TRANSFORMER/[email protected]/net.minecraft.network.PacketBundleUnpacker.encode(PacketBundleUnpacker.java:9) ~[neoforge-21.1.154.jar%23171!/:?] {re:classloading}
	at MC-BOOTSTRAP/[email protected]/io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:90) ~[netty-codec-4.1.97.Final.jar%23109!/:4.1.97.Final] {}
	... 22 more
[19:58:20] [Server thread/INFO] [minecraft/ServerGamePacketListenerImpl]: Dev lost connection: Internal Exception: io.netty.handler.codec.EncoderException: java.lang.NullPointerException: element

This is not a rendering issue, because even with collision boxes displayed, it cannot be found. On Neoforge, the boss bar works normally
It's just invisible because I hit him and reduced his health

commented

Should be fixed via 26fbdb2 now.