[1.18.1] Can't open Screen from network packets

NindyBun · February 28, 2022

[01:34:47] [Server thread/FATAL]: Error executing task on Server
java.lang.IllegalStateException: Rendersystem called from wrong thread
	at com.mojang.blaze3d.systems.RenderSystem.constructThreadException(RenderSystem.java:150) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at com.mojang.blaze3d.systems.RenderSystem.assertOnRenderThreadOrInit(RenderSystem.java:133) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at com.mojang.blaze3d.platform.GlStateManager._glBindBuffer(GlStateManager.java:308) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at com.mojang.blaze3d.vertex.BufferUploader.reset(BufferUploader.java:28) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.client.Minecraft.setScreen(Minecraft.java:912) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at com.nindybun.burnergun.client.screens.ModScreens.openGunSettingsScreen(ModScreens.java:8) ~[%2381!/:?]
	at com.nindybun.burnergun.common.network.packets.PacketUpdateGun$Handler.lambda$handle$1(PacketUpdateGun.java:132) ~[%2381!/:?]
	at net.minecraftforge.network.NetworkEvent$Context.enqueueWork(NetworkEvent.java:222) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
	at com.nindybun.burnergun.common.network.packets.PacketUpdateGun$Handler.handle(PacketUpdateGun.java:45) ~[%2381!/:?]
	at net.minecraftforge.network.simple.IndexedMessageCodec.lambda$tryDecode$3(IndexedMessageCodec.java:128) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
	at java.util.Optional.ifPresent(Optional.java:178) ~[?:?]
	at net.minecraftforge.network.simple.IndexedMessageCodec.tryDecode(IndexedMessageCodec.java:128) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
	at net.minecraftforge.network.simple.IndexedMessageCodec.consume(IndexedMessageCodec.java:162) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
	at net.minecraftforge.network.simple.SimpleChannel.networkEventListener(SimpleChannel.java:82) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
	at net.minecraftforge.eventbus.EventBus.doCastFilter(EventBus.java:247) ~[eventbus-5.0.7.jar%239!/:?]
	at net.minecraftforge.eventbus.EventBus.lambda$addListener$11(EventBus.java:239) ~[eventbus-5.0.7.jar%239!/:?]
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) ~[eventbus-5.0.7.jar%239!/:?]
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-5.0.7.jar%239!/:?]
	at net.minecraftforge.network.NetworkInstance.dispatch(NetworkInstance.java:82) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
	at net.minecraftforge.network.NetworkHooks.lambda$onCustomPayload$1(NetworkHooks.java:89) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
	at java.util.Optional.map(Optional.java:260) ~[?:?]
	at net.minecraftforge.network.NetworkHooks.onCustomPayload(NetworkHooks.java:89) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?]
	at net.minecraft.server.network.ServerGamePacketListenerImpl.handleCustomPayload(ServerGamePacketListenerImpl.java:1416) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.network.protocol.game.ServerboundCustomPayloadPacket.handle(ServerboundCustomPayloadPacket.java:35) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.network.protocol.game.ServerboundCustomPayloadPacket.handle(ServerboundCustomPayloadPacket.java:8) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$0(PacketUtils.java:21) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.server.TickTask.run(TickTask.java:17) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:139) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:22) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:765) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:161) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:112) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:748) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:742) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:122) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:728) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:672) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:258) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?]
	at java.lang.Thread.run(Thread.java:833) [?:?]
[01:34:50] [Server thread/DEBUG] [ne.mi.fm.lo.FileUtils/CORE]: Found existing serverconfig directory : .\saves\New World\serverconfig
[01:34:50] [Server thread/DEBUG] [ne.mi.fm.co.ConfigTracker/CONFIG]: Unloading configs type SERVER
---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 2/28/22, 1:34 AM
Description: Rendering screen

java.lang.NullPointerException: Cannot read field "level" because "this.minecraft" is null
	at net.minecraft.client.gui.screens.Screen.renderBackground(Screen.java:447) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.Screen.renderBackground(Screen.java:443) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at com.nindybun.burnergun.client.screens.burnergunSettingsScreen.render(burnergunSettingsScreen.java:219) ~[%2381!/:?] {re:classloading}
	at net.minecraftforge.client.ForgeHooksClient.drawScreenInternal(ForgeHooksClient.java:395) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?] {re:classloading}
	at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:388) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?] {re:classloading}
	at net.minecraft.client.renderer.GameRenderer.render(GameRenderer.java:886) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1041) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:661) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:205) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
	at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.0.88.jar%230!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {}


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
	at net.minecraft.client.gui.screens.Screen.renderBackground(Screen.java:447) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.Screen.renderBackground(Screen.java:443) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at com.nindybun.burnergun.client.screens.burnergunSettingsScreen.render(burnergunSettingsScreen.java:219) ~[%2381!/:?] {re:classloading}
	at net.minecraftforge.client.ForgeHooksClient.drawScreenInternal(ForgeHooksClient.java:395) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?] {re:classloading}
	at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:388) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2376%2382!/:?] {re:classloading}
-- Screen render details --
Details:
	Screen name: com.nindybun.burnergun.client.screens.burnergunSettingsScreen
	Mouse location: Scaled: (219, 190). Absolute: (439.000000, 380.000000)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2.000000
Stacktrace:
	at net.minecraft.client.renderer.GameRenderer.render(GameRenderer.java:886) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1041) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:661) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:205) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
	at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.0.88.jar%230!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {}


-- Affected level --
Details:
	All players: 1 total; [LocalPlayer['Dev'/182, l='ClientLevel', x=-25.10, y=73.00, z=2.50]]
	Chunk stats: 961, 609
	Level dimension: minecraft:overworld
	Level spawn location: World: (0,68,0), Section: (at 0,4,0 in 0,4,0; chunk contains blocks 0,-64,0 to 15,319,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,-64,0 to 511,319,511)
	Level time: 10200 game time, 10200 day time
	Server brand: forge
	Server type: Integrated singleplayer server
Stacktrace:
	at net.minecraft.client.multiplayer.ClientLevel.fillReportDetails(ClientLevel.java:407) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.fillReport(Minecraft.java:2249) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:678) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:205) ~[forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp.jar%2377!/:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
	at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:38) ~[fmlloader-1.18.1-39.0.88.jar%230!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) [modlauncher-9.1.0.jar%2310!/:?] {}
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:149) [bootstraplauncher-1.0.0.jar:?] {}


-- Last reload --
Details:
	Reload number: 1
	Reload reason: initial
	Finished: Yes
	Packs: Default, Mod Resources

-- System Details --
Details:
	Minecraft Version: 1.18.1
	Minecraft Version ID: 1.18.1
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 17.0.2, Eclipse Adoptium
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium
	Memory: 1185065504 bytes (1130 MiB) / 3219128320 bytes (3070 MiB) up to 4278190080 bytes (4080 MiB)
	CPUs: 16
	Processor Vendor: AuthenticAMD
	Processor Name: AMD Ryzen 7 1700X Eight-Core Processor         
	Identifier: AuthenticAMD Family 23 Model 1 Stepping 1
	Microarchitecture: Zen
	Frequency (GHz): 3.39
	Number of physical packages: 1
	Number of physical CPUs: 8
	Number of logical CPUs: 16
	Graphics card #0 name: NVIDIA GeForce GTX 1050 Ti
	Graphics card #0 vendor: NVIDIA (0x10de)
	Graphics card #0 VRAM (MB): 4095.00
	Graphics card #0 deviceId: 0x1c82
	Graphics card #0 versionInfo: DriverVersion=30.0.14.9709
	Memory slot #0 capacity (MB): 16384.00
	Memory slot #0 clockSpeed (GHz): 2.40
	Memory slot #0 type: DDR4
	Virtual memory max (MB): 18748.77
	Virtual memory used (MB): 15294.40
	Swap memory total (MB): 2432.00
	Swap memory used (MB): 125.38
	JVM Flags: 1 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
	Launched Version: MOD_DEV
	Backend library: LWJGL version 3.2.2 SNAPSHOT
	Backend API: NVIDIA GeForce GTX 1050 Ti/PCIe/SSE2 GL version 3.2.0 NVIDIA 497.09, NVIDIA Corporation
	Window size: 854x480
	GL Caps: Using framebuffer using OpenGL 3.2
	GL debug messages: 
	Using VBOs: Yes
	Is Modded: Definitely; Client brand changed to 'forge'; Server brand changed to 'forge'
	Type: Integrated Server (map_client.txt)
	Graphics mode: fast
	Resource Packs: 
	Current Language: English (US)
	CPU: 16x AMD Ryzen 7 1700X Eight-Core Processor 
	Server Running: true
	Player Count: 1 / 8; [ServerPlayer['Dev'/182, l='ServerLevel[New World]', x=-25.10, y=73.00, z=2.50]]
	Data Packs: vanilla, mod:forge, mod:burnergun (incompatible), mod:jei (incompatible)
	ModLauncher: 9.1.0+9.1.0+main.6690ee51
	ModLauncher launch target: forgeclientuserdev
	ModLauncher naming: mcp
	ModLauncher services: 
		 mixin PLUGINSERVICE 
		 eventbus PLUGINSERVICE 
		 object_holder_definalize PLUGINSERVICE 
		 runtime_enum_extender PLUGINSERVICE 
		 capability_token_subclass PLUGINSERVICE 
		 accesstransformer PLUGINSERVICE 
		 runtimedistcleaner PLUGINSERVICE 
		 mixin TRANSFORMATIONSERVICE 
		 fml TRANSFORMATIONSERVICE 
	FML Language Providers: 
		minecraft@1.0
		javafml@null
	Mod List: 
		forge-1.18.1-39.0.88_mapped_official_1.18.1-recomp|Minecraft                     |minecraft                     |1.18.1              |DONE      |Manifest: a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f
		                                                  |Forge                         |forge                         |39.0.88             |DONE      |Manifest: NOSIGNATURE
		main                                              |Burner Gun                    |burnergun                     |4.0.0               |DONE      |Manifest: NOSIGNATURE
		jei-1.18.1-9.2.1.69_mapped_official_1.18.1.jar    |Just Enough Items             |jei                           |9.2.1.69            |DONE      |Manifest: NOSIGNATURE
	Crash Report UUID: 6938bc59-847a-4eea-adc9-a89df2280887
	FML: 39.0
	Forge: net.minecraftforge:39.0.88
#@!@# Game crashed! Crash report saved to: #@!@# C:\Users\ANDY\Desktop\Minecraft Modding\BurnerGun_1.18.1\run\.\crash-reports\crash-2022-02-28_01.34.51-client.txt
AL lib: (EE) alc_cleanup: 1 device not closed

Process finished with exit code -1

https://github.com/NindyBun/BurnerGun_1.18.1/blob/5aa17dabbd56f5cdc184584a1f874b6f31709ec8/src/main/java/com/nindybun/burnergun/client/screens/burnergunSettingsScreen.java#L219

So when I try to send a packet to open a screen, it crashes; saying that this.minecraft is null? It worked fine back in 1.16.5 so I don't know why it can't now.

I open the screen from here

Edited February 28, 2022 by NindyBun

NindyBun · February 28, 2022

39 minutes ago, diesieben07 said:

You're opening the screen from the server thread. Screens are client-side only.

Then how would I go about opening it because I need the itemstack handler to update before opening the screen; which is why I have it that way. Worst case scenario, I would have to keybind the screen instead.

Luis_ST · February 28, 2022

why did you not send a packet to the client which will first update the ItemStackHandler and then open the Screen?

NindyBun · February 28, 2022

11 minutes ago, Luis_ST said:

why did you not send a packet to the client which will first update the ItemStackHandler and then open the Screen?

Well...it's because I still don't understand how to send a packet to the client.

NindyBun · February 28, 2022

1 hour ago, Luis_ST said:

why did you not send a packet to the client which will first update the ItemStackHandler and then open the Screen?

Doesn't the server also need to know about the updates as well? So would I send an update to both the server and the client?

NindyBun · February 28, 2022

44 minutes ago, diesieben07 said:

What causes this update? You have not provided enough information.

Oh, the update comes from either closing the itemstack gui or pressing a button on the gui such that it takes me to the screen. And whenever I call the update, it sets up nbt values on the itemstack then it opens the screen so that I get the newest information. Which is done here

Edited February 28, 2022 by NindyBun

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[1.18.1] Can't open Screen from network packets

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