---- Minecraft Crash Report ---- // I bet Cylons wouldn't have this problem. Time: 2026-10-22 18:29:01 Description: Ticking block entity java.lang.ClassCastException: class uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierSpawner$1 cannot be cast to class net.minecraft.world.entity.monster.Zombie$ZombieGroupData (uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierSpawner$1 is in module wetland_whimsy@2.1.0-1.21.1 of loader 'TRANSFORMER' @4b6e1c0; net.minecraft.world.entity.monster.Zombie$ZombieGroupData is in module minecraft@1.21.1 of loader 'TRANSFORMER' @4b6e1c0) at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.entity.monster.Husk.vb$finalizeSpawn(Husk.java:535) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,re:classloading,pl:mixin:APP:vanillabackport.mixins.json:common.controllable_mounts.HuskMixin from mod vanillabackport,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.entity.Mob.handler$zbe000$vanillabackport$vb$onFinalizeSpawn(Mob.java:2171) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:vanillabackport.mixins.json:common.equipment.MobMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.extension.entity.MobMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.spear_behavior.MobMixin from mod vanillabackport,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.entity.Mob.finalizeSpawn(Mob.java:1182) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:vanillabackport.mixins.json:common.equipment.MobMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.extension.entity.MobMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.spear_behavior.MobMixin from mod vanillabackport,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.entity.monster.Zombie.finalizeSpawn(Zombie.java:459) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:default,re:classloading,pl:accesstransformer:B,xf:fml:default,pl:mixin:APP:vanillabackport.mixins.json:common.spear_handler_mob.ZombieMixin from mod vanillabackport,pl:mixin:A} at TRANSFORMER/neoforge@21.1.264/net.neoforged.neoforge.event.EventHooks.finalizeMobSpawnSpawner(EventHooks.java:366) ~[neoforge-21.1.264-universal.jar%23185!/:?] {re:classloading} at TRANSFORMER/wetland_whimsy@2.1.0-1.21.1/uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierSpawner.spawnMob(AncientBrazierSpawner.java:201) ~[wetland_whimsy-2.1.0-1.21.1.jar%23189!/:?] {re:classloading} at TRANSFORMER/wetland_whimsy@2.1.0-1.21.1/uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierSpawner.serverTick(AncientBrazierSpawner.java:85) ~[wetland_whimsy-2.1.0-1.21.1.jar%23189!/:?] {re:classloading} at TRANSFORMER/wetland_whimsy@2.1.0-1.21.1/uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierBlockEntity.serverTick(AncientBrazierBlockEntity.java:110) ~[wetland_whimsy-2.1.0-1.21.1.jar%23189!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.LevelChunk$BoundTickingBlockEntity.tick(LevelChunk.java:711) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.LevelChunk$RebindableTickingBlockEntityWrapper.tick(LevelChunk.java:788) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.Level.tickBlockEntities(Level.java:565) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:428) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:vanillabackport.mixins.json:common.extension.sound.ServerLevelMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.weathering_lightning_rods.ServerLevelMixin from mod vanillabackport,pl:mixin:APP:biolith.mixins.json:MixinServerWorld from mod biolith,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1037) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:917) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.client.server.IntegratedServer.tickServer(IntegratedServer.java:110) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading,pl:runtimedistcleaner:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:707) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {} A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.entity.monster.Husk.vb$finalizeSpawn(Husk.java:535) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,re:classloading,pl:mixin:APP:vanillabackport.mixins.json:common.controllable_mounts.HuskMixin from mod vanillabackport,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.entity.Mob.handler$zbe000$vanillabackport$vb$onFinalizeSpawn(Mob.java:2171) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:vanillabackport.mixins.json:common.equipment.MobMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.extension.entity.MobMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.spear_behavior.MobMixin from mod vanillabackport,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.entity.Mob.finalizeSpawn(Mob.java:1182) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:vanillabackport.mixins.json:common.equipment.MobMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.extension.entity.MobMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.spear_behavior.MobMixin from mod vanillabackport,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.entity.monster.Zombie.finalizeSpawn(Zombie.java:459) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,xf:fml:default,re:classloading,pl:accesstransformer:B,xf:fml:default,pl:mixin:APP:vanillabackport.mixins.json:common.spear_handler_mob.ZombieMixin from mod vanillabackport,pl:mixin:A} at TRANSFORMER/neoforge@21.1.264/net.neoforged.neoforge.event.EventHooks.finalizeMobSpawnSpawner(EventHooks.java:366) ~[neoforge-21.1.264-universal.jar%23185!/:?] {re:classloading} at TRANSFORMER/wetland_whimsy@2.1.0-1.21.1/uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierSpawner.spawnMob(AncientBrazierSpawner.java:201) ~[wetland_whimsy-2.1.0-1.21.1.jar%23189!/:?] {re:classloading} at TRANSFORMER/wetland_whimsy@2.1.0-1.21.1/uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierSpawner.serverTick(AncientBrazierSpawner.java:85) ~[wetland_whimsy-2.1.0-1.21.1.jar%23189!/:?] {re:classloading} at TRANSFORMER/wetland_whimsy@2.1.0-1.21.1/uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierBlockEntity.serverTick(AncientBrazierBlockEntity.java:110) ~[wetland_whimsy-2.1.0-1.21.1.jar%23189!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.LevelChunk$BoundTickingBlockEntity.tick(LevelChunk.java:711) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.LevelChunk$RebindableTickingBlockEntityWrapper.tick(LevelChunk.java:788) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.Level.tickBlockEntities(Level.java:565) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} -- Block entity being ticked -- Details: Name: wetland_whimsy:ancient_brazier // uwu.juni.wetland_whimsy.content.blocks.entities.AncientBrazierBlockEntity Block: Block{wetland_whimsy:ancient_brazier}[flame=lit] Block location: World: (-8,56,0), Section: (at 8,8,0 in -1,3,0; chunk contains blocks -16,-64,0 to -1,319,15), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,-64,0 to -1,319,511) Block: Block{wetland_whimsy:ancient_brazier}[flame=lit] Block location: World: (-8,56,0), Section: (at 8,8,0 in -1,3,0; chunk contains blocks -16,-64,0 to -1,319,15), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,-64,0 to -1,319,511) Stacktrace: at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.LevelChunk$BoundTickingBlockEntity.tick(LevelChunk.java:711) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.chunk.LevelChunk$RebindableTickingBlockEntityWrapper.tick(LevelChunk.java:788) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading} at TRANSFORMER/minecraft@1.21.1/net.minecraft.world.level.Level.tickBlockEntities(Level.java:565) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:428) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:vanillabackport.mixins.json:common.extension.sound.ServerLevelMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.weathering_lightning_rods.ServerLevelMixin from mod vanillabackport,pl:mixin:APP:biolith.mixins.json:MixinServerWorld from mod biolith,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1037) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:917) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.client.server.IntegratedServer.tickServer(IntegratedServer.java:110) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading,pl:runtimedistcleaner:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:707) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {} -- Affected level -- Details: All players: 1 total; [ServerPlayer['cablewires'/17, l='ServerLevel[Game Crash*]', x=-7.52, y=56.00, z=-3.97]] Chunk stats: 2601 Level dimension: minecraft:overworld Level spawn location: World: (0,56,0), Section: (at 0,8,0 in 0,3,0; 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: 179 game time, 179 day time Level name: Game Crash* Level game mode: Game mode: creative (ID 1). Hardcore: false. Commands: true Level weather: Rain time: 143044 (now: false), thunder time: 151249 (now: false) Known server brands: neoforge Removed feature flags: Level was modded: true Level storage version: 0x04ABD - Anvil Loaded entity count: 1 Stacktrace: at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.level.ServerLevel.fillReportDetails(ServerLevel.java:1721) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:vanillabackport.mixins.json:common.extension.sound.ServerLevelMixin from mod vanillabackport,pl:mixin:APP:vanillabackport.mixins.json:common.weathering_lightning_rods.ServerLevelMixin from mod vanillabackport,pl:mixin:APP:biolith.mixins.json:MixinServerWorld from mod biolith,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1040) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:917) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.client.server.IntegratedServer.tickServer(IntegratedServer.java:110) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:classloading,pl:runtimedistcleaner:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:707) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at TRANSFORMER/minecraft@1.21.1/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267) ~[client-1.21.1-20240808.144430-srg.jar%23184!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A} at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {} -- System Details -- Details: Minecraft Version: 1.21.1 Minecraft Version ID: 1.21.1 Operating System: Windows 11 (amd64) version 10.0 Java Version: 21.0.7, Microsoft Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft Memory: 606619528 bytes (578 MiB) / 1631584256 bytes (1556 MiB) up to 7516192768 bytes (7168 MiB) CPUs: 12 Processor Vendor: AuthenticAMD Processor Name: AMD Ryzen 5 7600 6-Core Processor Identifier: AuthenticAMD Family 25 Model 97 Stepping 2 Microarchitecture: Zen 3 Frequency (GHz): 3.79 Number of physical packages: 1 Number of physical CPUs: 6 Number of logical CPUs: 12 Graphics card #0 name: AMD Radeon(TM) Graphics Graphics card #0 vendor: Advanced Micro Devices, Inc. Graphics card #0 VRAM (MiB): 512.00 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 32.0.21045.16010 Graphics card #1 name: AMD Radeon RX 7600 Graphics card #1 vendor: Advanced Micro Devices, Inc. Graphics card #1 VRAM (MiB): 8176.00 Graphics card #1 deviceId: VideoController2 Graphics card #1 versionInfo: 32.0.32015.7029 Memory slot #0 capacity (MiB): 16384.00 Memory slot #0 clockSpeed (GHz): 4.80 Memory slot #0 type: Unknown Virtual memory max (MiB): 27866.52 Virtual memory used (MiB): 19832.27 Swap memory total (MiB): 12288.00 Swap memory used (MiB): 131.95 Space in storage for jna.tmpdir (MiB): Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): Space in storage for io.netty.native.workdir (MiB): Space in storage for java.io.tmpdir (MiB): available: 269580.41, total: 952952.00 Space in storage for workdir (MiB): available: 269580.41, total: 952952.00 JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms1024m -Xmx7168m Server Running: true Player Count: 1 / 8; [ServerPlayer['cablewires'/17, l='ServerLevel[Game Crash*]', x=-7.52, y=56.00, z=-3.97]] Active Data Packs: vanilla, mod_data, mod/vanillabackport, mod/wetland_whimsy, mod/biolith (incompatible), mod/trimmed (incompatible), mod/neoforge, mod/platform Available Data Packs: bundle, trade_rebalance, vanilla, mod/biolith (incompatible), mod/neoforge, mod/platform, mod/trimmed (incompatible), mod/vanillabackport, mod/wetland_whimsy, mod_data Enabled Feature Flags: minecraft:vanilla World Generation: Stable World Seed: -967825458526210174 Type: Integrated Server (map_client.txt) Is Modded: Definitely; Client brand changed to 'neoforge'; Server brand changed to 'neoforge' Launched Version: 1.21.1 ModLauncher: 11.0.5+main.901c6ea8 ModLauncher launch target: forgeclient ModLauncher services: sponge-mixin-0.16.4+mixin.0.8.7.jar mixin PLUGINSERVICE loader-4.0.45.jar slf4jfixer PLUGINSERVICE loader-4.0.45.jar runtime_enum_extender PLUGINSERVICE at-modlauncher-10.0.1.jar accesstransformer PLUGINSERVICE loader-4.0.45.jar runtimedistcleaner PLUGINSERVICE modlauncher-11.0.5.jar mixin TRANSFORMATIONSERVICE modlauncher-11.0.5.jar fml TRANSFORMATIONSERVICE FML Language Providers: javafml@4.0 lowcodefml@4.0 minecraft@4.0 Mod List: biolith-neoforge-3.0.14.jar |Biolith |biolith |3.0.14 |Manifest: NOSIGNATURE client-1.21.1-20240808.144430-srg.jar |Minecraft |minecraft |1.21.1 |Manifest: ****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:**** neoforge-21.1.264-universal.jar |NeoForge |neoforge |21.1.264 |Manifest: NOSIGNATURE Platform-neoforge-1.21.1-1.4.jar |Platform |platform |1.4 |Manifest: NOSIGNATURE trimmed-1.21-3.0.0+neoforge.jar |Trimmed |trimmed |3.0.0 |Manifest: NOSIGNATURE VanillaBackport-neoforge-1.21.1-1.2.jar |VanillaBackport |vanillabackport |1.2 |Manifest: NOSIGNATURE wetland_whimsy-2.1.0-1.21.1.jar |Wetland Whimsy |wetland_whimsy |2.1.0-1.21.1 |Manifest: NOSIGNATURE Crash Report UUID: a23965f2-110f-42e7-910d-a67a3534f7ad FML: 4.0.45 NeoForge: 21.1.264