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How do I fix "Invalid Player Data" error when loading or creating world?

Game Master

By Game Master
in Support & Bug Reports

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Game Master Tree Puncher

Game Master

Posted
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12:17:45.907

net.minecraft.server.level.progress.LoggerChunkProgressListener

Render thread

Preparing spawn area: 99%

12:17:45.907

net.minecraft.server.level.progress.LoggerChunkProgressListener

Render thread

Time elapsed: 28556 ms

12:17:45.936

net.bettercombat.logic.WeaponRegistry

Server thread

Encoded Weapon Attribute registry size (with package overhead): 11111 bytes (in 2 string chunks with the size of 10000)

12:17:45.936

patchouli

Server thread

Sending reload packet to clients

12:17:46.176

net.minecraft.client.server.IntegratedServer

Server thread

Changing view distance to 12, from 10

12:17:46.186

net.minecraft.client.server.IntegratedServer

Server thread

Changing simulation distance to 12, from 0

12:17:46.282

io.netty.util.internal.SystemPropertyUtil

Render thread

Unable to parse the boolean system property 'java.net.preferIPv6Addresses':system - using the default value: false

12:17:46.679

net.minecraftforge.network.NetworkHooks

Netty Local Client IO #0

Connected to a modded server.

12:17:46.727

net.minecraftforge.common.AdvancementLoadFix

Server thread

Using new advancement loading for net.minecraft.server.PlayerAdvancements@4efea382

12:17:46.741

net.minecraft.server.players.PlayerList

Server thread

cooldudeman808[local:E:45770235] logged in with entity id 171 at (234.5, 64.0, -168.5)

12:17:46.764

net.minecraftforge.common.util.LazyOptional

Server thread

Catching java.lang.NullPointerException: Supplier should not return null value at TRANSFORMER/forge@40.2.9/net.minecraftforge.common.util.LazyOptional.getValue(LazyOptional.java:109) at TRANSFORMER/forge@40.2.9/net.minecraftforge.common.util.LazyOptional.getValueUnsafe(LazyOptional.java:119) at TRANSFORMER/forge@40.2.9/net.minecraftforge.common.util.LazyOptional.resolve(LazyOptional.java:227) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.morph.functionality.codec_addition.ModCodecs$3.encode(ModCodecs.java:173) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.morph.functionality.codec_addition.ModCodecs$3.encode(ModCodecs.java:168) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.EitherCodec.lambda$encode$2(EitherCodec.java:34) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.datafixers.util.Either$Left.map(Either.java:38) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.EitherCodec.encode(EitherCodec.java:33) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.EitherCodec.encode(EitherCodec.java:13) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.Encoder.encodeStart(Encoder.java:14) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.FieldEncoder.encode(FieldEncoder.java:24) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.MapCodec$1.encode(MapCodec.java:39) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.RecordCodecBuilder$Instance$4.encode(RecordCodecBuilder.java:222) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.RecordCodecBuilder$Instance$6.encode(RecordCodecBuilder.java:298) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.RecordCodecBuilder$2.encode(RecordCodecBuilder.java:112) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.MapCodec$MapCodecCodec.encode(MapCodec.java:96) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.Encoder.encodeStart(Encoder.java:14) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.morph.functionality.configurable.ConfigurableAbility.serializeNBT(ConfigurableAbility.java:53) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.morph.functionality.configurable.ConfigurableAbility.serializeNBTIAmTooDumbForJava(ConfigurableAbility.java:72) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.network.ConfiguredAbilitySynchronizer.encode(ConfiguredAbilitySynchronizer.java:25) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.network.ConfiguredAbilitySynchronizer.encode(ConfiguredAbilitySynchronizer.java:18) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.IndexedMessageCodec.lambda$tryEncode$4(IndexedMessageCodec.java:121) at java.base/java.util.Optional.ifPresent(Optional.java:178) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.IndexedMessageCodec.tryEncode(IndexedMessageCodec.java:119) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.IndexedMessageCodec.build(IndexedMessageCodec.java:134) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.SimpleChannel.encodeMessage(SimpleChannel.java:77) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.SimpleChannel.toBuffer(SimpleChannel.java:90) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.SimpleChannel.toVanillaPacket(SimpleChannel.java:121) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.SimpleChannel.send(SimpleChannel.java:116) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.util.DynamicRegistry.syncWithClient(DynamicRegistry.java:71) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.events.Events.onDatapackSyncing(Events.java:286) at net.minecraftforge.eventbus.ASMEventHandler_69_Events_onDatapackSyncing_OnDatapackSyncEvent.invoke(.dynamic) at MC-BOOTSTRAP/eventbus@5.0.3/net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) at MC-BOOTSTRAP/eventbus@5.0.3/net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) at MC-BOOTSTRAP/eventbus@5.0.3/net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.players.PlayerList.m_11261_(PlayerList.java:166) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.network.ServerLoginPacketListenerImpl.m_143699_(ServerLoginPacketListenerImpl.java:138) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.network.ServerLoginPacketListenerImpl.m_10055_(ServerLoginPacketListenerImpl.java:125) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.network.ServerLoginPacketListenerImpl.m_10050_(ServerLoginPacketListenerImpl.java:69) at TRANSFORMER/minecraft@1.18.2/net.minecraft.network.Connection.m_129483_(Connection.java:241) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.network.ServerConnectionListener.m_9721_(ServerConnectionListener.java:143) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:916) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:842) at TRANSFORMER/minecraft@1.18.2/net.minecraft.client.server.IntegratedServer.m_5705_(IntegratedServer.java:118) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:685) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.MinecraftServer.m_177918_(MinecraftServer.java:261) at java.base/java.lang.Thread.run(Thread.java:833)

12:17:46.767

net.minecraftforge.eventbus.EventBus

Server thread

12:17:46.768

net.minecraft.server.network.ServerLoginPacketListenerImpl

Server thread

Couldn't place player in world java.lang.IllegalStateException: LazyOptional is empty or otherwise returned null from getValue() unexpectedly at TRANSFORMER/forge@40.2.9/net.minecraftforge.common.util.LazyOptional.getValueUnsafe(LazyOptional.java:122) at TRANSFORMER/forge@40.2.9/net.minecraftforge.common.util.LazyOptional.resolve(LazyOptional.java:227) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.morph.functionality.codec_addition.ModCodecs$3.encode(ModCodecs.java:173) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.morph.functionality.codec_addition.ModCodecs$3.encode(ModCodecs.java:168) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.EitherCodec.lambda$encode$2(EitherCodec.java:34) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.datafixers.util.Either$Left.map(Either.java:38) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.EitherCodec.encode(EitherCodec.java:33) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.EitherCodec.encode(EitherCodec.java:13) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.Encoder.encodeStart(Encoder.java:14) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.FieldEncoder.encode(FieldEncoder.java:24) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.MapCodec$1.encode(MapCodec.java:39) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.RecordCodecBuilder$Instance$4.encode(RecordCodecBuilder.java:222) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.RecordCodecBuilder$Instance$6.encode(RecordCodecBuilder.java:298) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.codecs.RecordCodecBuilder$2.encode(RecordCodecBuilder.java:112) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.MapCodec$MapCodecCodec.encode(MapCodec.java:96) at MC-BOOTSTRAP/datafixerupper@4.1.27/com.mojang.serialization.Encoder.encodeStart(Encoder.java:14) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.morph.functionality.configurable.ConfigurableAbility.serializeNBT(ConfigurableAbility.java:53) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.morph.functionality.configurable.ConfigurableAbility.serializeNBTIAmTooDumbForJava(ConfigurableAbility.java:72) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.network.ConfiguredAbilitySynchronizer.encode(ConfiguredAbilitySynchronizer.java:25) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.network.ConfiguredAbilitySynchronizer.encode(ConfiguredAbilitySynchronizer.java:18) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.IndexedMessageCodec.lambda$tryEncode$4(IndexedMessageCodec.java:121) at java.base/java.util.Optional.ifPresent(Optional.java:178) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.IndexedMessageCodec.tryEncode(IndexedMessageCodec.java:119) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.IndexedMessageCodec.build(IndexedMessageCodec.java:134) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.SimpleChannel.encodeMessage(SimpleChannel.java:77) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.SimpleChannel.toBuffer(SimpleChannel.java:90) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.SimpleChannel.toVanillaPacket(SimpleChannel.java:121) at TRANSFORMER/forge@40.2.9/net.minecraftforge.network.simple.SimpleChannel.send(SimpleChannel.java:116) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.util.DynamicRegistry.syncWithClient(DynamicRegistry.java:71) at TRANSFORMER/bmorph@1.18.2-2.0.1/de.budschie.bmorph.events.Events.onDatapackSyncing(Events.java:286) at net.minecraftforge.eventbus.ASMEventHandler_69_Events_onDatapackSyncing_OnDatapackSyncEvent.invoke(.dynamic) at MC-BOOTSTRAP/eventbus@5.0.3/net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85) at MC-BOOTSTRAP/eventbus@5.0.3/net.minecraftforge.eventbus.EventBus.post(EventBus.java:302) at MC-BOOTSTRAP/eventbus@5.0.3/net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.players.PlayerList.m_11261_(PlayerList.java:166) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.network.ServerLoginPacketListenerImpl.m_143699_(ServerLoginPacketListenerImpl.java:138) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.network.ServerLoginPacketListenerImpl.m_10055_(ServerLoginPacketListenerImpl.java:125) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.network.ServerLoginPacketListenerImpl.m_10050_(ServerLoginPacketListenerImpl.java:69) at TRANSFORMER/minecraft@1.18.2/net.minecraft.network.Connection.m_129483_(Connection.java:241) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.network.ServerConnectionListener.m_9721_(ServerConnectionListener.java:143) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:916) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:842) at TRANSFORMER/minecraft@1.18.2/net.minecraft.client.server.IntegratedServer.m_5705_(IntegratedServer.java:118) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:685) at TRANSFORMER/minecraft@1.18.2/net.minecraft.server.MinecraftServer.m_177918_(MinecraftServer.java:261) at java.base/java.lang.Thread.run(Thread.java:833)

12:17:46.798

net.minecraft.server.network.ServerGamePacketListenerImpl

Server thread

cooldudeman808 lost connection: Invalid player data

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      [1.20.1] Modpack crashing on startup - Mod not loading correctly

      By SeniorDee · Posted

      I did that, and then it crashed again, but this time it said something about ComputerCraft; so I disabled that mod and now it works. Thanks for the help!
    • TileEntity
      [1.20.1] Modpack crashing on startup - Mod not loading correctly

      By TileEntity · Posted

      Update ColdSweat to the latest build: https://www.curseforge.com/minecraft/mc-mods/cold-sweat/files/6450271
    • Ugdhar
      bonjour

      By Ugdhar · Posted

      Veuillez lire la FAQ (le lien est en haut de la page) et les journaux de publication tels que décrits ici. Cela aidera à déterminer ce qui se passe. Ce sont des forums anglais, j'ai utilisé un traducteur pour essayer de vous aider, j'espère que ça se retrouve bien.
    • SeniorDee
      [1.20.1] Modpack crashing on startup - Mod not loading correctly

      By SeniorDee · Posted

      I tried adding the Create (6.0.4) mod to my modpack which causes it to crash before it finishes loading. I tried removing the mod Cold Sweat because the error said it failed to load due to something in Create but when I removed it, it kept crashing; and I also tried downgrading Create, but nothing helped. I assume there's an incompatible mod that's causing Create to not load correctly, but I can't find it. launcher_log.txt: https://mclo.gs/kn5Qkk2 debug.log: https://mclo.gs/zIKoAaB crash report: https://mclo.gs/j86C10Y The part of debug.log that I think is the crash (after Create mod already loaded incorrectly): [02May2025 14:52:36.813] [Worker-ResourceReload-2/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/]: Exception caught during firing event: com/simibubi/create/content/redstone/displayLink/DisplayBehaviour Index: 3 Listeners: 0: NORMAL 1: net.minecraftforge.eventbus.EventBus$$Lambda$1770/0x00000008009bc8a0@70223c71 2: ASM: class com.momosoftworks.coldsweat.core.event.PotionRecipes register(Lnet/minecraftforge/fml/event/lifecycle/FMLCommonSetupEvent;)V 3: ASM: class com.momosoftworks.coldsweat.compat.CompatManager$ModEvents setupModEvents(Lnet/minecraftforge/fml/event/lifecycle/FMLCommonSetupEvent;)V java.lang.NoClassDefFoundError: com/simibubi/create/content/redstone/displayLink/DisplayBehaviour at TRANSFORMER/cold_sweat@2.3.12/com.momosoftworks.coldsweat.compat.CompatManager$ModEvents.setupModEvents(CompatManager.java:501) at TRANSFORMER/cold_sweat@2.3.12/com.momosoftworks.coldsweat.compat.__ModEvents_setupModEvents_FMLCommonSetupEvent.invoke(.dynamic) at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) at MC-BOOTSTRAP/net.minecraftforge.eventbus/net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) at LAYER PLUGIN/javafmllanguage@1.20.1-47.4.0/net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:121) at LAYER PLUGIN/fmlcore@1.20.1-47.4.0/net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$5(ModContainer.java:127) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) Caused by: java.lang.ClassNotFoundException: com.simibubi.create.content.redstone.displayLink.DisplayBehaviour at cpw.mods.securejarhandler/cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:141) at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525) ... 14 more [02May2025 14:52:36.972] [Worker-ResourceReload-2/ERROR] [net.minecraftforge.fml.javafmlmod.FMLModContainer/LOADING]: Caught exception during event FMLCommonSetupEvent dispatch for modid cold_sweat java.lang.NoClassDefFoundError: com/simibubi/create/content/redstone/displayLink/DisplayBehaviour at com.momosoftworks.coldsweat.compat.CompatManager$ModEvents.setupModEvents(CompatManager.java:501) ~[ColdSweat-2.3.12.jar%23537!/:2.3.12] at com.momosoftworks.coldsweat.compat.__ModEvents_setupModEvents_FMLCommonSetupEvent.invoke(.dynamic) ~[ColdSweat-2.3.12.jar%23537!/:2.3.12] at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:73) ~[eventbus-6.0.5.jar%2387!/:?] at net.minecraftforge.eventbus.EventBus.post(EventBus.java:315) ~[eventbus-6.0.5.jar%2387!/:?] at net.minecraftforge.eventbus.EventBus.post(EventBus.java:296) ~[eventbus-6.0.5.jar%2387!/:?] at net.minecraftforge.fml.javafmlmod.FMLModContainer.acceptEvent(FMLModContainer.java:121) ~[javafmllanguage-1.20.1-47.4.0.jar%23784!/:?] at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$5(ModContainer.java:127) ~[fmlcore-1.20.1-47.4.0.jar%23783!/:?] at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1804) ~[?:?] at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1796) ~[?:?] at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?] at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?] at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?] at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?] at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?] Caused by: java.lang.ClassNotFoundException: com.simibubi.create.content.redstone.displayLink.DisplayBehaviour at cpw.mods.cl.ModuleClassLoader.loadClass(ModuleClassLoader.java:141) ~[securejarhandler-2.1.10.jar:?] at java.lang.ClassLoader.loadClass(ClassLoader.java:525) ~[?:?] ... 14 more
    • Ugdhar
      exception in server tick loop (sry I could not put in help)

      By Ugdhar · Posted

      You would probably be better served looking for support where NeoForge support is given, I believe their discord server.

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