---- Minecraft Crash Report ----
Time: 2025-09-14 17:39:45
Description: Saving entity NBT
java.lang.IllegalStateException: Trying to serialize client side brain! If you really want this, disable lithium's client side brain optimization!
at knot//net.caffeinemc.mods.lithium.common.client.SharedFields.lambda$static$0(SharedFields.java:15)
at net.minecraft.entity.ai.brain.Brain.encode(Brain.java:162)
at net.minecraft.entity.LivingEntity.writeCustomData(LivingEntity.java:767)
at net.minecraft.entity.mob.MobEntity.writeCustomData(MobEntity.java:391)
at net.minecraft.entity.mob.CreeperEntity.writeCustomData(CreeperEntity.java:117)
at net.minecraft.entity.Entity.writeData(Entity.java:2180)
at knot//fi.dy.masa.litematica.schematic.LitematicaSchematic.takeEntitiesFromWorldWithinChunk(LitematicaSchematic.java:744)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskSaveSchematic.processChunk(TaskSaveSchematic.java:112)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskProcessChunkBase.executeForAllPendingChunks(TaskProcessChunkBase.java:91)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskProcessChunkBase.execute(TaskProcessChunkBase.java:49)
at knot//fi.dy.masa.litematica.scheduler.TaskScheduler.runTasks(TaskScheduler.java:75)
at knot//fi.dy.masa.litematica.scheduler.ClientTickHandler.onClientTick(ClientTickHandler.java:46)
at knot//fi.dy.masa.malilib.event.TickHandler.onClientTick(TickHandler.java:36)
at net.minecraft.client.MinecraftClient.handler$cec000$malilib$onPostKeyboardInput(MinecraftClient.java:8118)
at net.minecraft.client.MinecraftClient.tick(MinecraftClient.java:1960)
at net.minecraft.client.MinecraftClient.render(MinecraftClient.java:1324)
at net.minecraft.client.MinecraftClient.run(MinecraftClient.java:947)
at net.minecraft.client.main.Main.main(Main.java:265)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:506)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:63)
at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:28)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
at knot//net.caffeinemc.mods.lithium.common.client.SharedFields.lambda$static$0(SharedFields.java:15)
at net.minecraft.entity.ai.brain.Brain.encode(Brain.java:162)
at net.minecraft.entity.LivingEntity.writeCustomData(LivingEntity.java:767)
at net.minecraft.entity.mob.MobEntity.writeCustomData(MobEntity.java:391)
at net.minecraft.entity.mob.CreeperEntity.writeCustomData(CreeperEntity.java:117)
at net.minecraft.entity.Entity.writeData(Entity.java:2180)
at knot//fi.dy.masa.litematica.schematic.LitematicaSchematic.takeEntitiesFromWorldWithinChunk(LitematicaSchematic.java:744)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskSaveSchematic.processChunk(TaskSaveSchematic.java:112)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskProcessChunkBase.executeForAllPendingChunks(TaskProcessChunkBase.java:91)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskProcessChunkBase.execute(TaskProcessChunkBase.java:49)
at knot//fi.dy.masa.litematica.scheduler.TaskScheduler.runTasks(TaskScheduler.java:75)
at knot//fi.dy.masa.litematica.scheduler.ClientTickHandler.onClientTick(ClientTickHandler.java:46)
at knot//fi.dy.masa.malilib.event.TickHandler.onClientTick(TickHandler.java:36)
at net.minecraft.client.MinecraftClient.handler$cec000$malilib$onPostKeyboardInput(MinecraftClient.java:8118)
Entity Type: minecraft:creeper (net.minecraft.class_1548)
Entity's Exact location: -797.66, 63.00, 738.25
Entity's Block location: World: (-798,63,738), Section: (at 2,15,2 in -50,3,46; chunk contains blocks -800,-64,736 to -785,319,751), Region: (-2,1; contains chunks -64,32 to -33,63, blocks -1024,-64,512 to -513,319,1023)
Entity's Momentum: 0.00, 0.00, 0.00
at net.minecraft.entity.Entity.writeData(Entity.java:2180)
at knot//fi.dy.masa.litematica.schematic.LitematicaSchematic.takeEntitiesFromWorldWithinChunk(LitematicaSchematic.java:744)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskSaveSchematic.processChunk(TaskSaveSchematic.java:112)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskProcessChunkBase.executeForAllPendingChunks(TaskProcessChunkBase.java:91)
at knot//fi.dy.masa.litematica.scheduler.tasks.TaskProcessChunkBase.execute(TaskProcessChunkBase.java:49)
at knot//fi.dy.masa.litematica.scheduler.TaskScheduler.runTasks(TaskScheduler.java:75)
at knot//fi.dy.masa.litematica.scheduler.ClientTickHandler.onClientTick(ClientTickHandler.java:46)
at knot//fi.dy.masa.malilib.event.TickHandler.onClientTick(TickHandler.java:36)
at net.minecraft.client.MinecraftClient.handler$cec000$malilib$onPostKeyboardInput(MinecraftClient.java:8118)
at net.minecraft.client.MinecraftClient.tick(MinecraftClient.java:1960)
at net.minecraft.client.MinecraftClient.render(MinecraftClient.java:1324)
at net.minecraft.client.MinecraftClient.run(MinecraftClient.java:947)
at net.minecraft.client.main.Main.main(Main.java:265)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:506)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:63)
at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:28)
High-res time: 213262.954s
Client ticks: 5018 ticks / 250.900s
at net.minecraft.client.MinecraftClient.addDetailsToCrashReport(MinecraftClient.java:2411)
at net.minecraft.client.MinecraftClient.printCrashReport(MinecraftClient.java:1016)
at net.minecraft.client.MinecraftClient.run(MinecraftClient.java:968)
at net.minecraft.client.main.Main.main(Main.java:265)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:506)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:72)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at com.modrinth.theseus.MinecraftLaunch.relaunch(MinecraftLaunch.java:63)
at com.modrinth.theseus.MinecraftLaunch.main(MinecraftLaunch.java:28)
All players: 1 total; class_746{name={MINECRAFT_USERNAME}, id=3, pos=(-789.5566959777443, 85.96377797633137, 741.5889757983703), mode=CREATIVE, permission=2}
Level dimension: minecraft:overworld
Level spawn location: World: (-704,67,592), Section: (at 0,3,0 in -44,4,37; chunk contains blocks -704,-64,592 to -689,319,607), Region: (-2,1; contains chunks -64,32 to -33,63, blocks -1024,-64,512 to -513,319,1023)
Level time: 21754861 game time, 144158 day time
Server type: Non-integrated multiplayer server
Packs: vanilla, fabric, badoptimizations, c2me, cloth-config, conditional-mixin, entityculling, fabric-api, fabric-api-base, fabric-api-lookup-api-v1, fabric-biome-api-v1, fabric-block-api-v1, fabric-block-view-api-v2, fabric-command-api-v2, fabric-content-registries-v0, fabric-convention-tags-v1, fabric-convention-tags-v2, fabric-crash-report-info-v1, fabric-data-attachment-api-v1, fabric-data-generation-api-v1, fabric-dimensions-v1, fabric-entity-events-v1, fabric-events-interaction-v0, fabric-game-rule-api-v1, fabric-item-api-v1, fabric-item-group-api-v1, fabric-key-binding-api-v1, fabric-lifecycle-events-v1, fabric-loot-api-v2, fabric-loot-api-v3, fabric-message-api-v1, fabric-model-loading-api-v1, fabric-networking-api-v1, fabric-object-builder-api-v1, fabric-particles-v1, fabric-recipe-api-v1, fabric-registry-sync-v0, fabric-renderer-api-v1, fabric-renderer-indigo, fabric-rendering-fluids-v1, fabric-rendering-v1, fabric-resource-conditions-api-v1, fabric-resource-loader-v0, fabric-screen-api-v1, fabric-screen-handler-api-v1, fabric-serialization-api-v1, fabric-sound-api-v1, fabric-tag-api-v1, fabric-transfer-api-v1, fabric-transitive-access-wideners-v1, fabricloader, fanetlib, immediatelyfast, litematica, litematica-server-paster, litematica_printer, lithium, malilib, modernfix, moreculling, nochatreports, noisium, scalablelux, scribble, sodium, threadtweak, trender, vmp
Minecraft Version: 1.21.8
Minecraft Version ID: 1.21.8
Operating System: Windows 11 (amd64) version 10.0
Java Version: 21.0.8, Azul Systems, Inc.
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Azul Systems, Inc.
Memory: 276348856 bytes (263 MiB) / 543162368 bytes (518 MiB) up to 2147483648 bytes (2048 MiB)
Processor Vendor: GenuineIntel
Processor Name: 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz
Identifier: Intel64 Family 6 Model 140 Stepping 1
Microarchitecture: Tiger Lake
Number of physical packages: 1
Number of physical CPUs: 4
Number of logical CPUs: 8
Graphics card #0 name: Intel(R) Iris(R) Xe Graphics
Graphics card #0 vendor: Intel Corporation
Graphics card #0 VRAM (MiB): 1024.00
Graphics card #0 deviceId: VideoController1
Graphics card #0 versionInfo: 30.0.101.1960
Memory slot #0 capacity (MiB): 8192.00
Memory slot #0 clockSpeed (GHz): 3.20
Memory slot #0 type: DDR4
Memory slot #1 capacity (MiB): 8192.00
Memory slot #1 clockSpeed (GHz): 3.20
Memory slot #1 type: DDR4
Virtual memory max (MiB): 36411.25
Virtual memory used (MiB): 21063.80
Swap memory total (MiB): 20480.00
Swap memory used (MiB): 1611.22
Space in storage for jna.tmpdir (MiB): available: 72263.72, total: 486884.00
Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 72263.72, total: 486884.00
Space in storage for io.netty.native.workdir (MiB): available: 72263.72, total: 486884.00
Space in storage for java.io.tmpdir (MiB): available: 72263.72, total: 486884.00
Space in storage for workdir (MiB): available: 72263.72, total: 486884.00
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2048M
badoptimizations: BadOptimizations 2.3.0
c2me: Concurrent Chunk Management Engine 0.3.5+alpha.0.7+1.21.8
c2me-base: Concurrent Chunk Management Engine (Base) 0.3.5+alpha.0.7+1.21.8
c2me-client-uncapvd: Concurrent Chunk Management Engine (Client/Uncap View Distance) 0.3.5+alpha.0.7+1.21.8
c2me-fixes-chunkio-threading-issues: Concurrent Chunk Management Engine (Fixes/Chunk IO/Threading Issues) 0.3.5+alpha.0.7+1.21.8
c2me-fixes-general-threading-issues: Concurrent Chunk Management Engine (Fixes/General/Threading Issues) 0.3.5+alpha.0.7+1.21.8
c2me-fixes-worldgen-threading-issues: Concurrent Chunk Management Engine (Fixes/WorldGen/Threading Issues) 0.3.5+alpha.0.7+1.21.8
c2me-fixes-worldgen-vanilla-bugs: Concurrent Chunk Management Engine (Fixes/WorldGen/Vanilla Bugs) 0.3.5+alpha.0.7+1.21.8
c2me-notickvd: Concurrent Chunk Management Engine (No Tick View Distance) 0.3.5+alpha.0.7+1.21.8
c2me-opts-allocs: Concurrent Chunk Management Engine (Optimizations/Memory Allocations) 0.3.5+alpha.0.7+1.21.8
c2me-opts-chunkio: Concurrent Chunk Management Engine (Optimizations/Chunk IO) 0.3.5+alpha.0.7+1.21.8
c2me-opts-dfc: Concurrent Chunk Management Engine (Optimizations/Density Function Compiler) 0.3.5+alpha.0.7+1.21.8
c2me-opts-math: Concurrent Chunk Management Engine (Optimizations/Math) 0.3.5+alpha.0.7+1.21.8
c2me-opts-scheduling: Concurrent Chunk Management Engine (Optimizations/Scheduling) 0.3.5+alpha.0.7+1.21.8
c2me-opts-worldgen-general: Concurrent Chunk Management Engine (Optimizations/General WorldGen) 0.3.5+alpha.0.7+1.21.8
c2me-opts-worldgen-vanilla: Concurrent Chunk Management Engine (Optimizations/Vanilla WorldGen) 0.3.5+alpha.0.7+1.21.8
c2me-rewrites-chunk-serializer: Concurrent Chunk Management Engine (Rewrites/Chunk Serializer) 0.3.5+alpha.0.7+1.21.8
c2me-rewrites-chunk-system: Concurrent Chunk Management Engine (Rewrites/Chunk System) 0.3.5+alpha.0.7+1.21.8
c2me-rewrites-chunkio: Concurrent Chunk Management Engine (Rewrites/Chunk IO) 0.3.5+alpha.0.7+1.21.8
c2me-server-utils: Concurrent Chunk Management Engine (Server Utils) 0.3.5+alpha.0.7+1.21.8
c2me-threading-lighting: Concurrent Chunk Management Engine (Threading/Lighting) 0.3.5+alpha.0.7+1.21.8
com_electronwill_night-config_core: core 3.6.5
com_electronwill_night-config_toml: toml 3.6.5
com_ibm_async_asyncutil: asyncutil 0.1.0
io_reactivex_rxjava3_rxjava: rxjava 3.1.8
net_objecthunter_exp4j: exp4j 0.4.8
org_jctools_jctools-core: jctools-core 4.0.5
org_reactivestreams_reactive-streams: reactive-streams 1.0.4
cloth-config: Cloth Config v19 19.0.147
cloth-basic-math: cloth-basic-math 0.6.1
entityculling: EntityCulling 1.8.2
transition: TRansition 1.0.3
fabric-api: Fabric API 0.132.0+1.21.8
fabric-api-base: Fabric API Base 0.5.0+cd8c0daa2c
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.6.101+946bf4c32c
fabric-biome-api-v1: Fabric Biome API (v1) 16.0.11+946bf4c32c
fabric-block-api-v1: Fabric Block API (v1) 1.1.3+946bf4c32c
fabric-block-view-api-v2: Fabric BlockView API (v2) 1.0.31+946bf4c32c
fabric-command-api-v2: Fabric Command API (v2) 2.3.1+52fff9ec2c
fabric-content-registries-v0: Fabric Content Registries (v0) 10.0.19+946bf4c32c
fabric-convention-tags-v1: Fabric Convention Tags 2.1.41+7f945d5b2c
fabric-convention-tags-v2: Fabric Convention Tags (v2) 2.15.6+eb5df52f2c
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.3.15+946bf4c32c
fabric-data-attachment-api-v1: Fabric Data Attachment API (v1) 1.8.12+38b5f74e2c
fabric-data-generation-api-v1: Fabric Data Generation API (v1) 23.2.6+0b1ef9762c
fabric-dimensions-v1: Fabric Dimensions API (v1) 4.0.19+946bf4c32c
fabric-entity-events-v1: Fabric Entity Events (v1) 2.1.2+c9e472732c
fabric-events-interaction-v0: Fabric Events Interaction (v0) 4.0.24+946bf4c32c
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.73+c64c9c5b2c
fabric-item-api-v1: Fabric Item API (v1) 11.5.0+02ce13f42c
fabric-item-group-api-v1: Fabric Item Group API (v1) 4.2.14+c5f9bbc12c
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.65+946bf4c32c
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 2.6.4+db4dfd852c
fabric-loot-api-v2: Fabric Loot API (v2) 3.0.56+3f89f5a52c
fabric-loot-api-v3: Fabric Loot API (v3) 2.0.3+946bf4c32c
fabric-message-api-v1: Fabric Message API (v1) 6.1.2+946bf4c32c
fabric-model-loading-api-v1: Fabric Model Loading API (v1) 5.2.6+946bf4c32c
fabric-networking-api-v1: Fabric Networking API (v1) 5.0.2+946bf4c32c
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 21.1.8+946bf4c32c
fabric-particles-v1: Fabric Particles (v1) 4.1.8+946bf4c32c
fabric-recipe-api-v1: Fabric Recipe API (v1) 8.1.15+946bf4c32c
fabric-registry-sync-v0: Fabric Registry Sync (v0) 6.1.28+946bf4c32c
fabric-renderer-api-v1: Fabric Renderer API (v1) 7.0.3+208eed172c
fabric-renderer-indigo: Fabric Renderer - Indigo 4.0.3+946bf4c32c
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 3.1.31+fa6cb72b2c
fabric-rendering-v1: Fabric Rendering (v1) 12.5.0+fbe231d52c
fabric-resource-conditions-api-v1: Fabric Resource Conditions API (v1) 5.0.25+98e6d6db2c
fabric-resource-loader-v0: Fabric Resource Loader (v0) 3.1.12+020423442c
fabric-screen-api-v1: Fabric Screen API (v1) 2.1.1+277ecf7d2c
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.3.137+946bf4c32c
fabric-serialization-api-v1: Fabric Serialization API (v1) 1.0.0+fc0e5aba2c
fabric-sound-api-v1: Fabric Sound API (v1) 1.0.42+946bf4c32c
fabric-tag-api-v1: Fabric Tag API (v1) 1.2.2+946bf4c32c
fabric-transfer-api-v1: Fabric Transfer API (v1) 6.0.6+946bf4c32c
fabric-transitive-access-wideners-v1: Fabric Transitive Access Wideners (v1) 6.4.1+ac3e15d12c
fabricloader: Fabric Loader 0.17.2
mixinextras: MixinExtras 0.5.0
ferritecore: FerriteCore 8.0.0
immediatelyfast: ImmediatelyFast 1.12.1+1.21.8
net_lenni0451_reflect: Reflect 1.3.4
java: OpenJDK 64-Bit Server VM 21
litematica: Litematica 0.23.3
litematica-server-paster: Litematica Server Paster 1.3.8
litematica_printer: Litematica Printer 3.2.1-sakura.8
lithium: Lithium 0.18.0+mc1.21.8
minecraft: Minecraft 1.21.8
modernfix: ModernFix 5.20.4-beta.51+mc1.21.7.a724
moreculling: More Culling 1.4.0-beta.1
conditional-mixin: conditional mixin 0.6.3
mixinsquared: MixinSquared 0.2.0
nochatreports: No Chat Reports 1.21.7-v2.14.0
noisium: Noisium 2.7.0+mc1.21.6
scalablelux: ScalableLux 0.1.5+fabric.e4acdcb
sodium: Sodium 0.6.13+mc1.21.6
threadtweak: ThreadTweak 0.1.7+mc1.21.5
vmp: Very Many Players 0.2.0+beta.7.207+1.21.8
Backend library: LWJGL version 3.3.3-snapshot
Backend API: Intel(R) Iris(R) Xe Graphics GL version 3.2.0 - Build 30.0.101.1960, Intel
Render Extensions: GL_ARB_buffer_storage, GL_KHR_debug, GL_ARB_vertex_attrib_binding, GL_ARB_direct_state_access
Is Modded: Definitely; Client brand changed to 'fabric'
Universe: 400921fb54442d18
Type: Client (map_client.txt)
Render Distance: 2/2 chunks
Resource Packs: vanilla, fabric, badoptimizations (incompatible), c2me, cloth-config, conditional-mixin, entityculling (incompatible), fabric-api, fabric-api-base, fabric-api-lookup-api-v1, fabric-biome-api-v1, fabric-block-api-v1, fabric-block-view-api-v2, fabric-command-api-v2, fabric-content-registries-v0, fabric-convention-tags-v1, fabric-convention-tags-v2, fabric-crash-report-info-v1, fabric-data-attachment-api-v1, fabric-data-generation-api-v1, fabric-dimensions-v1, fabric-entity-events-v1, fabric-events-interaction-v0, fabric-game-rule-api-v1, fabric-item-api-v1, fabric-item-group-api-v1, fabric-key-binding-api-v1, fabric-lifecycle-events-v1, fabric-loot-api-v2, fabric-loot-api-v3, fabric-message-api-v1, fabric-model-loading-api-v1, fabric-networking-api-v1, fabric-object-builder-api-v1, fabric-particles-v1, fabric-recipe-api-v1, fabric-registry-sync-v0, fabric-renderer-api-v1, fabric-renderer-indigo, fabric-rendering-fluids-v1, fabric-rendering-v1, fabric-resource-conditions-api-v1, fabric-resource-loader-v0, fabric-screen-api-v1, fabric-screen-handler-api-v1, fabric-serialization-api-v1, fabric-sound-api-v1, fabric-tag-api-v1, fabric-transfer-api-v1, fabric-transitive-access-wideners-v1, fabricloader, fanetlib, immediatelyfast, litematica, litematica-server-paster, litematica_printer, lithium, malilib, modernfix (incompatible), moreculling, nochatreports, noisium, scalablelux, scribble, sodium, threadtweak, trender (incompatible), vmp
CPU: 8x 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz