[08Jan2021 09:55:57.989] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher running: args [--width, 854, --height, 480, --username, AvVvA, --version, 1.16.4, --gameDir, C:_gdl\instances\Netherite Plus, --assetsDir, C:_gdl\datastore\assets, --assetIndex, 1.16, --uuid, e056841a517c4ee2bb6b45e65daa92f7, --accessToken, ????????, --userType, mojang, --versionType, release, --launchTarget, fmlclient, --fml.forgeVersion, 35.1.36, --fml.mcVersion, 1.16.4, --fml.forgeGroup, net.minecraftforge, --fml.mcpVersion, 20201102.104115]
[08Jan2021 09:55:57.993] [main/INFO] [cpw.mods.modlauncher.Launcher/MODLAUNCHER]: ModLauncher 8.0.6+85+master.325de55 starting: java version 1.8.0_242 by AdoptOpenJDK
[08Jan2021 09:55:58.701] [main/INFO] [net.minecraftforge.fml.loading.FixSSL/CORE]: Added Lets Encrypt root certificates as additional trust
[08Jan2021 09:55:58.780] [main/INFO] [mixin/]: SpongePowered MIXIN Subsystem Version=0.8.2 Source=file:/C:/_gdl/datastore/libraries/org/spongepowered/mixin/0.8.2/mixin-0.8.2.jar Service=ModLauncher Env=CLIENT
[08Jan2021 09:56:00.795] [main/INFO] [cpw.mods.modlauncher.LaunchServiceHandler/MODLAUNCHER]: Launching target 'fmlclient' with arguments [--version, 1.16.4, --gameDir, C:_gdl\instances\Netherite Plus, --assetsDir, C:_gdl\datastore\assets, --uuid, e056841a517c4ee2bb6b45e65daa92f7, --width, 854, --height, 480, --username, AvVvA, --assetIndex, 1.16, --accessToken, ????????, --userType, mojang, --versionType, release]
[08Jan2021 09:56:09.846] [Render thread/INFO] [com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService/]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'
[08Jan2021 09:56:10.321] [Render thread/INFO] [net.minecraft.client.Minecraft/]: Setting user: AvVvA
[08Jan2021 09:56:10.424] [Render thread/INFO] [net.minecraft.client.Minecraft/]: Backend library: LWJGL version 3.2.2 build 10
[08Jan2021 09:56:11.639] [modloading-worker-3/INFO] [net.minecraftforge.common.ForgeMod/FORGEMOD]: Forge mod loading, version 35.1.36, for MC 1.16.4 with MCP 20201102.104115
[08Jan2021 09:56:11.640] [modloading-worker-3/INFO] [net.minecraftforge.common.MinecraftForge/FORGE]: MinecraftForge v35.1.36 Initialized
[08Jan2021 09:56:13.619] [Render thread/INFO] [com.mojang.text2speech.NarratorWindows/]: Narrator library for x64 successfully loaded
[08Jan2021 09:56:13.715] [Render thread/INFO] [net.minecraft.resources.SimpleReloadableResourceManager/]: Reloading ResourceManager: Default, Mod Resources
[08Jan2021 09:56:17.510] [Forge Version Check/INFO] [net.minecraftforge.fml.VersionChecker/]: [forge] Starting version check at https://files.minecraftforge.net/maven/net/minecraftforge/forge/promotions_slim.json
[08Jan2021 09:56:17.881] [Forge Version Check/INFO] [net.minecraftforge.fml.VersionChecker/]: [forge] Found status: AHEAD Current: 35.1.36 Target: null
[08Jan2021 09:56:20.874] [Render thread/INFO] [net.minecraft.client.audio.SoundSystem/]: OpenAL initialized.
[08Jan2021 09:56:20.875] [Render thread/INFO] [net.minecraft.client.audio.SoundEngine/SOUNDS]: Sound engine started
[08Jan2021 09:56:21.165] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x256x0 jei:textures/atlas/gui.png-atlas
[08Jan2021 09:56:21.168] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 1024x512x4 minecraft:textures/atlas/blocks.png-atlas
[08Jan2021 09:56:21.304] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x256x4 netherite_plus:textures/atlas/shulker_boxes.png-atlas
[08Jan2021 09:56:21.307] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x256x4 minecraft:textures/atlas/signs.png-atlas
[08Jan2021 09:56:21.308] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x512x4 minecraft:textures/atlas/banner_patterns.png-atlas
[08Jan2021 09:56:21.315] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x512x4 minecraft:textures/atlas/shield_patterns.png-atlas
[08Jan2021 09:56:21.317] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x256x4 minecraft:textures/atlas/chest.png-atlas
[08Jan2021 09:56:21.318] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x512x4 minecraft:textures/atlas/beds.png-atlas
[08Jan2021 09:56:21.320] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x512x4 minecraft:textures/atlas/shulker_boxes.png-atlas
[08Jan2021 09:56:22.087] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x256x0 minecraft:textures/atlas/particles.png-atlas
[08Jan2021 09:56:22.090] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x256x0 minecraft:textures/atlas/paintings.png-atlas
[08Jan2021 09:56:22.094] [Render thread/INFO] [net.minecraft.client.renderer.texture.AtlasTexture/]: Created: 512x256x0 minecraft:textures/atlas/mob_effects.png-atlas
[08Jan2021 09:57:24.081] [Render thread/WARN] [net.minecraft.command.Commands/]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
[08Jan2021 09:57:24.082] [Render thread/WARN] [net.minecraft.command.Commands/]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[08Jan2021 09:57:24.083] [Render thread/WARN] [net.minecraft.command.Commands/]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
[08Jan2021 09:57:24.085] [Render thread/WARN] [net.minecraft.command.Commands/]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
[08Jan2021 09:57:24.085] [Render thread/WARN] [net.minecraft.command.Commands/]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[08Jan2021 09:57:24.089] [Render thread/INFO] [net.minecraft.resources.SimpleReloadableResourceManager/]: Reloading ResourceManager: Default, JustEnoughResources-1.16.4-0.12.0.103.jar, forge-1.16.4-35.1.36-universal.jar, netherite-plus-mod-1.2.0-forge.jar, architectury-1.2.70-forge.jar, jei-1.16.4-7.6.1.65.jar
[08Jan2021 09:57:24.618] [Render thread/INFO] [net.minecraft.item.crafting.RecipeManager/]: Loaded 7 recipes
[08Jan2021 09:57:25.071] [Render thread/INFO] [net.minecraft.advancements.AdvancementList/]: Loaded 945 advancements
[08Jan2021 09:57:25.565] [Render thread/INFO] [com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService/]: Environment: authHost='https://authserver.mojang.com', accountsHost='https://api.mojang.com', sessionHost='https://sessionserver.mojang.com', servicesHost='https://api.minecraftservices.com', name='PROD'
[08Jan2021 09:57:25.597] [Server thread/INFO] [net.minecraft.server.integrated.IntegratedServer/]: Starting integrated minecraft server version 1.16.4
[08Jan2021 09:57:25.597] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Generating keypair
[08Jan2021 09:57:25.687] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Configuration file C:_gdl\instances\Netherite Plus\saves\New World\serverconfig\forge-server.toml is not correct. Correcting
[08Jan2021 09:57:25.688] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server was corrected from null to SimpleCommentedConfig:{}
[08Jan2021 09:57:25.689] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.removeErroringEntities was corrected from null to false
[08Jan2021 09:57:25.689] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.removeErroringTileEntities was corrected from null to false
[08Jan2021 09:57:25.689] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.fullBoundingBoxLadders was corrected from null to false
[08Jan2021 09:57:25.690] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.zombieBaseSummonChance was corrected from null to 0.1
[08Jan2021 09:57:25.690] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.zombieBabyChance was corrected from null to 0.05
[08Jan2021 09:57:25.690] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.logCascadingWorldGeneration was corrected from null to true
[08Jan2021 09:57:25.690] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.fixVanillaCascading was corrected from null to false
[08Jan2021 09:57:25.690] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.dimensionUnloadQueueDelay was corrected from null to 0
[08Jan2021 09:57:25.690] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.treatEmptyTagsAsAir was corrected from null to false
[08Jan2021 09:57:25.691] [Server thread/WARN] [net.minecraftforge.common.ForgeConfigSpec/CORE]: Incorrect key server.fixAdvancementLoading was corrected from null to true
[08Jan2021 09:57:30.614] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Preparing start region for dimension minecraft:overworld
[08Jan2021 09:57:30.709] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 0%
[08Jan2021 09:57:31.168] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 0%
[08Jan2021 09:57:31.674] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 0%
[08Jan2021 09:57:32.181] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 1%
[08Jan2021 09:57:32.691] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 4%
[08Jan2021 09:57:33.191] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 5%
[08Jan2021 09:57:33.656] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 10%
[08Jan2021 09:57:34.168] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 10%
[08Jan2021 09:57:34.717] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 15%
[08Jan2021 09:57:35.173] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 17%
[08Jan2021 09:57:35.682] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 17%
[08Jan2021 09:57:36.145] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 24%
[08Jan2021 09:57:36.677] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 28%
[08Jan2021 09:57:37.166] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 32%
[08Jan2021 09:57:37.670] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 35%
[08Jan2021 09:57:38.165] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 36%
[08Jan2021 09:57:38.665] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 43%
[08Jan2021 09:57:39.165] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 48%
[08Jan2021 09:57:39.663] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 50%
[08Jan2021 09:57:40.164] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 57%
[08Jan2021 09:57:40.664] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 61%
[08Jan2021 09:57:41.231] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 62%
[08Jan2021 09:57:41.863] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 68%
[08Jan2021 09:57:42.163] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 76%
[08Jan2021 09:57:42.730] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 81%
[08Jan2021 09:57:43.163] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 86%
[08Jan2021 09:57:43.663] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 90%
[08Jan2021 09:57:44.296] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Preparing spawn area: 92%
[08Jan2021 09:57:44.329] [Render thread/INFO] [net.minecraft.world.chunk.listener.LoggingChunkStatusListener/]: Time elapsed: 13685 ms
[08Jan2021 09:57:44.555] [Server thread/INFO] [net.minecraft.server.integrated.IntegratedServer/]: Changing view distance to 11, from 10
[08Jan2021 09:57:46.458] [Netty Local Client IO #0/INFO] [net.minecraftforge.fml.network.NetworkHooks/]: Connected to a modded server.
[08Jan2021 09:57:46.466] [Netty Local Client IO #0/FATAL] [mixin/]: Mixin apply failed netherite_plus.mixins.json:ClientPlayNetworkHandlerMixin -> net.minecraft.client.network.play.ClientPlayNetHandler: org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException @shadow method getLevel in netherite_plus.mixins.json:ClientPlayNetworkHandlerMixin was not located in the target class net.minecraft.client.network.play.ClientPlayNetHandler. Using refmap netherite-plus-mod-common-refmap.json
org.spongepowered.asm.mixin.transformer.throwables.InvalidMixinException: @shadow method getLevel in netherite_plus.mixins.json:ClientPlayNetworkHandlerMixin was not located in the target class net.minecraft.client.network.play.ClientPlayNetHandler. Using refmap netherite-plus-mod-common-refmap.json
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachSpecialMethod(MixinPreProcessorStandard.java:429) ~[mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachShadowMethod(MixinPreProcessorStandard.java:402) ~[mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attachMethods(MixinPreProcessorStandard.java:330) ~[mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.attach(MixinPreProcessorStandard.java:289) ~[mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinPreProcessorStandard.createContextFor(MixinPreProcessorStandard.java:267) ~[mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinInfo.createContextFor(MixinInfo.java:1271) ~[mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinApplicatorStandard.apply(MixinApplicatorStandard.java:287) ~[mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.TargetClassContext.applyMixins(TargetClassContext.java:345) ~[mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:569) [mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinProcessor.applyMixins(MixinProcessor.java:351) [mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinTransformer.transformClass(MixinTransformer.java:223) [mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.mixin.transformer.MixinTransformationHandler.processClass(MixinTransformationHandler.java:121) [mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at org.spongepowered.asm.launch.MixinLaunchPlugin.processClass(MixinLaunchPlugin.java:131) [mixin-0.8.2.jar:0.8.2+unknown-b0.git-unknown]
at cpw.mods.modlauncher.serviceapi.ILaunchPluginService.processClassWithFlags(ILaunchPluginService.java:154) [modlauncher-8.0.6.jar:8.0.6+85+master.325de55]
at cpw.mods.modlauncher.LaunchPluginHandler.offerClassNodeToPlugins(LaunchPluginHandler.java:85) [modlauncher-8.0.6.jar:?]
at cpw.mods.modlauncher.ClassTransformer.transform(ClassTransformer.java:119) [modlauncher-8.0.6.jar:?]
at cpw.mods.modlauncher.TransformingClassLoader$DelegatedClassLoader.findClass(TransformingClassLoader.java:265) [modlauncher-8.0.6.jar:?]
at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:136) [modlauncher-8.0.6.jar:?]
at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:98) [modlauncher-8.0.6.jar:?]
at java.lang.ClassLoader.loadClass(ClassLoader.java:352) [?:1.8.0_242]
at net.minecraft.client.network.login.ClientLoginNetHandler.func_147390_a(ClientLoginNetHandler.java:119) [?:?]
at net.minecraft.network.login.server.SLoginSuccessPacket.func_148833_a(SourceFile:43) [?:?]
at net.minecraft.network.login.server.SLoginSuccessPacket.func_148833_a(SourceFile:12) [?:?]
at net.minecraft.network.NetworkManager.func_197664_a(NetworkManager.java:148) [?:?]
at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:138) [?:?]
at net.minecraft.network.NetworkManager.channelRead0(NetworkManager.java:49) [?:?]
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.local.LocalChannel.readInbound(LocalChannel.java:304) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.local.LocalChannel.finishPeerRead0(LocalChannel.java:446) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.local.LocalChannel.access$400(LocalChannel.java:51) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.local.LocalChannel$5.run(LocalChannel.java:404) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.channel.DefaultEventLoop.run(DefaultEventLoop.java:54) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) [netty-all-4.1.25.Final.jar:4.1.25.Final]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_242]
[08Jan2021 09:57:46.494] [Server thread/INFO] [net.minecraftforge.common.AdvancementLoadFix/]: Using new advancement loading for net.minecraft.advancements.PlayerAdvancements@6402d2c4
[08Jan2021 09:57:46.511] [Server thread/INFO] [net.minecraft.server.management.PlayerList/]: AvVvA[local:E:949b0a17] logged in with entity id 239 at (-71.5, 65.0, 234.5)
[08Jan2021 09:57:46.531] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: AvVvA joined the game
[08Jan2021 09:57:46.725] [Server thread/INFO] [net.minecraft.network.play.ServerPlayNetHandler/]: AvVvA lost connection: Internal Exception: java.lang.ClassCastException: net.minecraft.network.login.ServerLoginNetHandler cannot be cast to net.minecraft.client.network.play.IClientPlayNetHandler
[08Jan2021 09:57:46.725] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: AvVvA left the game
[08Jan2021 09:57:46.749] [Server thread/INFO] [net.minecraft.network.play.ServerPlayNetHandler/]: Stopping singleplayer server as player logged out
[08Jan2021 09:57:46.877] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Stopping server
[08Jan2021 09:57:46.880] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving players
[08Jan2021 09:57:46.885] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving worlds
[08Jan2021 09:57:46.886] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving chunks for level 'ServerLevel[New World]'/minecraft:overworld
[08Jan2021 09:57:48.133] [Server thread/INFO] [net.minecraft.world.server.ChunkManager/]: ThreadedAnvilChunkStorage (New World): All chunks are saved
[08Jan2021 09:57:48.133] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving chunks for level 'ServerLevel[New World]'/minecraft:the_nether
[08Jan2021 09:57:48.143] [Server thread/INFO] [net.minecraft.world.server.ChunkManager/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[08Jan2021 09:57:48.143] [Server thread/INFO] [net.minecraft.server.MinecraftServer/]: Saving chunks for level 'ServerLevel[New World]'/minecraft:the_end
[08Jan2021 09:57:48.149] [Server thread/INFO] [net.minecraft.world.server.ChunkManager/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[08Jan2021 09:57:48.177] [Server thread/INFO] [net.minecraft.world.server.ChunkManager/]: ThreadedAnvilChunkStorage (New World): All chunks are saved
[08Jan2021 09:57:48.213] [Server thread/INFO] [net.minecraft.world.server.ChunkManager/]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[08Jan2021 09:57:48.216] [Server thread/INFO] [net.minecraft.world.server.ChunkManager/]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved

That was latest.log. Here's debug.log: https://pastebin.com/wGMqs5dB

These tests were made with the latest version of Forge, Netherite Plus, Architecturey, Just Enough Items, and Just Enough Resources on GDLauncher using GDLauncher's default Java8 installation

Fixed with the latest test release on the Discord