This happens occasionally when generating a new world on a dedicated server. Maybe when horses are in or near the world spawn chunk?

Description: Exception chunk generation/loading

java.lang.NullPointerException: Tried to retrieve horseCalling before the server has initialized.
at MC-BOOTSTRAP/[email protected]/com.google.common.base.Preconditions.checkNotNull(Preconditions.java:921) ~[guava-32.1.2-jre.jar%2387!/:?] {re:mixin}
at TRANSFORMER/[email protected]/io.github.mortuusars.horseman.HorsemanServer.summoning(HorsemanServer.java:20) ~[horseman-neoforge-1.21.1-1.4.3.1.jar%23438!/:?] {re:classloading}
at TRANSFORMER/[email protected]/io.github.mortuusars.horseman.neoforge.event.CommonEvents$GameBus.entityJoinLevel(CommonEvents.java:82) ~[horseman-neoforge-1.21.1-1.4.3.1.jar%23438!/:?] {re:classloading}
at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.SubscribeEventListener.invoke(SubscribeEventListener.java:49) ~[bus-8.0.2.jar%2362!/:?] {re:mixin}
at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:350) ~[bus-8.0.2.jar%2362!/:?] {}
at MC-BOOTSTRAP/net.neoforged.bus/net.neoforged.bus.EventBus.post(EventBus.java:315) ~[bus-8.0.2.jar%2362!/:?] {}
at TRANSFORMER/[email protected]/net.minecraft.world.level.entity.PersistentEntitySectionManager.addEntity(PersistentEntitySectionManager.java:79) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.world.level.entity.PersistentEntitySectionManager.lambda$addWorldGenChunkEntities$1(PersistentEntitySectionManager.java:121) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.world.entity.EntityType$1.lambda$tryAdvance$0(EntityType.java:1156) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:classloading,pl:connector_pre_launch:A}
at java.base/java.util.Optional.map(Optional.java:260) ~[?:?] {re:mixin}
at TRANSFORMER/[email protected]/net.minecraft.world.entity.EntityType.loadEntityRecursive(EntityType.java:1134) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,xf:fml:default,pl:connector_pre_launch:A,re:classloading,xf:fml:default,pl:mixin:APP:fabric-object-builder-v1.mixins.json:EntityTypeMixin from mod fabric_object_builder_api_v1,pl:mixin:APP:bookshelf.mixins.json:patch.entity.MixinEntityType from mod bookshelf,pl:mixin:APP:architectury-common.mixins.json:inject.MixinEntityType from mod architectury,pl:mixin:APP:kubejs.mixins.json:EntityTypeMixin from mod kubejs,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.world.entity.EntityType$1.lambda$tryAdvance$1(EntityType.java:1155) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:classloading,pl:connector_pre_launch:A}
at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1685) ~[?:?] {}
at TRANSFORMER/[email protected]/net.minecraft.world.entity.EntityType$1.tryAdvance(EntityType.java:1155) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:classloading,pl:connector_pre_launch:A}
at java.base/java.util.Spliterator.forEachRemaining(Spliterator.java:332) ~[?:?] {}
at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?] {}
at TRANSFORMER/[email protected]/net.minecraft.world.level.entity.PersistentEntitySectionManager.addWorldGenChunkEntities(PersistentEntitySectionManager.java:120) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.level.ServerLevel.addWorldGenChunkEntities(ServerLevel.java:1655) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:computing_frames,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ServerAddEntityMixin from mod cupboard,pl:mixin:APP:betterendisland.mixins.json:ServerLevelMixin from mod betterendisland,pl:mixin:APP:modernfix-common.mixins.json:perf.cache_strongholds.ServerLevelMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:bugfix.chunk_deadlock.ServerLevelMixin from mod modernfix,pl:mixin:APP:supplementaries-common.mixins.json:ServerLevelMixin from mod supplementaries,pl:mixin:APP:ohthetreesyoullgrow.mixins.json:MixinServerLevel from mod ohthetreesyoullgrow,pl:mixin:APP:corgilib-common.mixins.json:MixinServerLevel from mod corgilib,pl:mixin:APP:fabric-data-attachment-api-v1.mixins.json:ServerWorldMixin from mod fabric_data_attachment_api_v1,pl:mixin:APP:fabric-api-lookup-api-v1.mixins.json:ServerWorldMixin from mod fabric_api_lookup_api_v1,pl:mixin:APP:refurbished_furniture.common.mixins.json:ServerLevelMixin from mod refurbished_furniture,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:ServerWorldMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:ServerLevelMixin from mod kubejs,pl:mixin:APP:comforts.mixins.json:MixinServerSleepStatus from mod comforts,pl:mixin:APP:betterdeserttemples.mixins.json:ServerLevelMixin from mod betterdeserttemples,pl:mixin:APP:bosses_of_mass_destruction-common.mixins.json:ExplosionMixin from mod bosses_of_mass_destruction,pl:mixin:APP:moonlight-common.mixins.json:ServerLevelMixin from mod moonlight,pl:mixin:APP:create.mixins.json:accessor.ServerLevelAccessor from mod create,pl:mixin:APP:betterendisland.mixins.json:EndergeticExpansionMixins from mod betterendisland,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.world.level.chunk.status.ChunkStatusTasks.postLoadProtoChunk(ChunkStatusTasks.java:228) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,xf:fml:default,pl:connector_pre_launch:A,re:classloading,xf:fml:default,pl:mixin:APP:biomeswevegone-common.mixins.json:ChunkStatusTasksMixin from mod biomeswevegone,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.world.level.chunk.status.ChunkStatusTasks.lambda$full$1(ChunkStatusTasks.java:199) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,xf:fml:default,pl:connector_pre_launch:A,re:classloading,xf:fml:default,pl:mixin:APP:biomeswevegone-common.mixins.json:ChunkStatusTasksMixin from mod biomeswevegone,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.world.level.chunk.LevelChunk.runPostLoad(LevelChunk.java:480) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:ohthetreesyoullgrow.mixins.json:chunk.MixinLevelChunk from mod ohthetreesyoullgrow,pl:mixin:APP:corgilib-common.mixins.json:chunk.MixinLevelChunk from mod corgilib,pl:mixin:APP:fabric-data-attachment-api-v1.mixins.json:WorldChunkMixin from mod fabric_data_attachment_api_v1,pl:mixin:APP:refurbished_furniture.common.mixins.json:LevelChunkMixin from mod refurbished_furniture,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:server.WorldChunkMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:copycats-common.mixins.json:foundation.copycat.migration.LevelChunkMixin from mod copycats,pl:mixin:APP:moonlight-common.mixins.json:LevelChunkMixin from mod moonlight,pl:mixin:APP:yigd.mixins.json:LevelChunkMixin from mod yigd,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.world.level.chunk.status.ChunkStatusTasks.lambda$full$2(ChunkStatusTasks.java:206) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,xf:fml:default,pl:connector_pre_launch:A,re:classloading,xf:fml:default,pl:mixin:APP:biomeswevegone-common.mixins.json:ChunkStatusTasksMixin from mod biomeswevegone,pl:mixin:A,pl:connector_pre_launch:A}
at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?] {}
at TRANSFORMER/[email protected]/net.minecraft.server.level.ChunkTaskPriorityQueueSorter.lambda$message$1(ChunkTaskPriorityQueueSorter.java:62) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:classloading,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:148) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:computing_frames,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.doRunTask(ServerChunkCache.java:559) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:classloading,pl:accesstransformer:B,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:122) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:computing_frames,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.pollTask(ServerChunkCache.java:568) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:classloading,pl:accesstransformer:B,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.level.ServerChunkCache.pollTask(ServerChunkCache.java:275) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ChunkLoadDebug from mod cupboard,pl:mixin:APP:journeymap.mixins.json:server.ServerChunkCacheAccessor from mod journeymap,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:860) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:849) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:132) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:computing_frames,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.managedBlock(MinecraftServer.java:821) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.mixinextras$bridge$managedBlock$291(MinecraftServer.java) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.wrapOperation$zcj000$modernfix$managedBlock(MinecraftServer.java:2154) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:826) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.prepareLevels(MinecraftServer.java:503) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:339) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:193) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:connector_pre_launch:A,re:classloading,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:670) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at TRANSFORMER/[email protected]/net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:267) ~[server-1.21.1-20240808.144430-srg.jar%23341!/:?] {re:mixin,pl:accesstransformer:B,pl:connector_pre_launch:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin from mod modernfix,pl:mixin:APP:modernfix-neoforge.mixins.json:core.MinecraftServerMixin from mod modernfix,pl:mixin:APP:balm.neoforge.mixins.json:MinecraftServerMixin from mod balm,pl:mixin:APP:ponder.mixins.json:accessor.MinecraftServerAccessor from mod ponder,pl:mixin:APP:fabric-message-api-v1.mixins.json:MinecraftServerMixin from mod fabric_message_api_v1,pl:mixin:APP:structureessentials.mixins.json:LevelCreatedCallback from mod structureessentials,pl:mixin:APP:fabric-lifecycle-events-v1.mixins.json:MinecraftServerMixin from mod fabric_lifecycle_events_v1,pl:mixin:APP:kubejs.mixins.json:MinecraftServerMixin from mod kubejs,pl:mixin:APP:fabric-resource-loader-v0.mixins.json:MinecraftServerMixin from mod fabric_resource_loader_v0,pl:mixin:A,pl:connector_pre_launch:A}
at java.base/java.lang.Thread.run(Thread.java:1583) [?:?] {re:mixin}

Should be fixed in 1.4.4.