Modscraper Modscraper Minecraft

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Long NBT Killer logo

Long NBT Killer

Mod

by Dovecot_Official

Prevent minecraft from crashing while encountering deep nbt tags

Type

Mod

CurseForge Downloads

17,800,425

CurseForge ID

950085

Modrinth Downloads

4,978

Modrinth ID

rWOcJQI6

Last Updated

Jul 28, 2026

Description

 

When Minecraft is encountering any compound / list nbt tag with a depth greater than 512, it throws an exception and refuses to load the save.

 

This mod replaced the annoying mechanism with a harmless log warning, and let the game go ahead.

 

Unfortunately, the erroneous behavior of certain mods can cause the NBT depth to increase continuously, eventually leading to a StackOverflowError. Consequently, users may need to identify the specific mods responsible and take appropriate action. According to a report by the user "ABadHaiku," such issues are relatively common in some MCreator mods. He has already contacted the developers of MCreator, who have since fixed this problem in the latest version. If users can determine the source of the glitch, they should report it to the mod's author. Additionally, "ABadHaiku" has provided a method for repairing affected save files here.

 

ATTENTION:

A compound / list nbt tag with a depth greater than 512 itself is abnormal, and you may check your save via NBT editor after receiving the warning in the log;

You DEFINITELY CAN add the mod to your modpack.

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Included in Modpacks

Better MC [FORGE] - BMC4 Better MC [FORGE] - BMC4 Cisco's Fantasy Medieval RPG [Ultimate] Cisco's Fantasy Medieval RPG [Ultimate] Better MC [NEOFORGE] BMC5 Better MC [NEOFORGE] BMC5 DarkRPG - RPG with Vampires, Dragons, Magic, Quests, Adventure DarkRPG - RPG with Vampires, Dragons, Magic, Quests, Adventure Lucky World Invasion Lucky World Invasion Linggango Linggango Ascendra Ascendra Fear Nightfall: Remains of Chaos Fear Nightfall: Remains of Chaos Cisco's Fantasy Medieval RPG [Dragonfyre] Cisco's Fantasy Medieval RPG [Dragonfyre] DarkRPG - RPG with Magic, Origins, Quests, Adventure DarkRPG - RPG with Magic, Origins, Quests, Adventure Project Infinity 0.1 Project Infinity 0.1 Better MC Skyblock [BMCS] Better MC Skyblock [BMCS] Better MC [FABRIC] BMC2 Better MC [FABRIC] BMC2 The Fungal Infection | Co-Op Base Defense The Fungal Infection | Co-Op Base Defense Medieval MC [FORGE] MMC4 Medieval MC [FORGE] MMC4 ZS Pack (Tensura) ZS Pack (Tensura) Better MC [FORGE] BMC1 Better MC [FORGE] BMC1 Medieval MC [NEOFORGE] MMC5 Medieval MC [NEOFORGE] MMC5 Extraordinary Energy : Modern Extraordinary Energy : Modern RHCraft (RLCraft - Renewed) - Unofficial RHCraft (RLCraft - Renewed) - Unofficial Ragnamod VII Ragnamod VII Peachy's Pixel Place (Equestrian, Adventure & Farming) Peachy's Pixel Place (Equestrian, Adventure & Farming) Remain [Zombie + SCP Apocalypse] Remain [Zombie + SCP Apocalypse] TechRPG - RPG with Tech, Magic, Create, Space Exploration TechRPG - RPG with Tech, Magic, Create, Space Exploration Chunklock Create Chunklock Create Kingdoms and Colonies Rebirth Kingdoms and Colonies Rebirth Fresh & Cozy Fresh & Cozy CursedFate Awakened CursedFate Awakened Medieval MC [FABRIC] MMC2 Medieval MC [FABRIC] MMC2 PandAce's World PandAce's World TNP Limitless 7 - LL7 TNP Limitless 7 - LL7 Miraculous SMP Miraculous SMP MC Eternal 2 MC Eternal 2 Otherworld [Dungeons & Dragons] Otherworld [Dungeons & Dragons] Tales of Celerity Tales of Celerity BuildCraft Lite BuildCraft Lite Ragnamod VII In The Sky Ragnamod VII In The Sky Moonstruck's Rebirth - A Better Cozy Experience Moonstruck's Rebirth - A Better Cozy Experience Penumbralcraft Penumbralcraft Majnr Skyblock Majnr Skyblock Compression Compression Biohazard: Project Genesis - The Ultimate Apocalypse Biohazard: Project Genesis - The Ultimate Apocalypse Craft to Exile 2 (VR Support) Craft to Exile 2 (VR Support) MysticCraft Divivded Kingdoms MysticCraft Divivded Kingdoms Into the Maze (Horror in your world 2025 version) Into the Maze (Horror in your world 2025 version) Aeternis Aeternis Spell Sword Spell Sword Gänseteich Gänseteich ALBOE! [FABRIC] ALBOE! [FABRIC] Christmas Fantasy Christmas Fantasy Artemiscraft: Awakening of the Elements Artemiscraft: Awakening of the Elements Valiant RPG Valiant RPG The Everlasting Winter The Everlasting Winter Curiousity Essential: Cisco's Fantasy Medieval RPG [Ultimate] Curiousity Essential: Cisco's Fantasy Medieval RPG [Ultimate] Lets Just Say CRAFT - [Christmas] (LJSC) Lets Just Say CRAFT - [Christmas] (LJSC) Collectionist Collectionist Jady Apocalyptic Jady Apocalyptic Mechanical suffering Mechanical suffering Beyond The Farlands Beyond The Farlands HLStuff - Adventure & Exploration HLStuff - Adventure & Exploration Elarion Elarion The Pond Edition [NEOFORGE] The Pond Edition [NEOFORGE] BoraLances Craft BoraLances Craft The Colony Of The Gods The Colony Of The Gods NO STRINGS ATTACHED A Survival Horror Pack NO STRINGS ATTACHED A Survival Horror Pack GoatCraft BMC++ 4 [Forge] GoatCraft BMC++ 4 [Forge] NotYourAvragePack NotYourAvragePack Pherocraft Pherocraft Tula Grande Tula Grande GearboundSMP S2 - Create Multiplayer GearboundSMP S2 - Create Multiplayer TCG SMP - Prologue (Public) TCG SMP - Prologue (Public) Lost_Civilization:Wilds Lost_Civilization:Wilds Brixton Buttered Crumpets Brixton Buttered Crumpets ALCHEMIST RPG ALCHEMIST RPG Project Obscura Project Obscura Gears & Glyphs Gears & Glyphs RossAndrewsVT's Medieval Project [Discontinued] RossAndrewsVT's Medieval Project [Discontinued] Echo One Group Echo One Group Meow to Exile 2 Custom By Seraphina Meow to Exile 2 Custom By Seraphina Untitled Modpack - Hard Survival Untitled Modpack - Hard Survival Afterfall - Zombie Apocalypse Survival | Inspired by DeceasedCraft Afterfall - Zombie Apocalypse Survival | Inspired by DeceasedCraft A Distant Journey A Distant Journey Vani's Project Vani's Project team pkb pack team pkb pack Adventure & Horror Adventure & Horror Kat's Craft 2 Kat's Craft 2 Retriever's Epic Fight Retriever's Epic Fight SwordCraft Origins SwordCraft Origins Chaotic Modpack Chaotic Modpack Calamycraft Calamycraft AMP - Mechanisms, Magic & Masonry AMP - Mechanisms, Magic & Masonry Lees Zombie Apocalypse - Fallen Earth Lees Zombie Apocalypse - Fallen Earth HallowScream 4 HallowScream 4 Witches, Warlocks, Vampires, and Werewolves Witches, Warlocks, Vampires, and Werewolves World of Drakora Medieval edition World of Drakora Medieval edition Gigantocraft™ : The Age of Arkania Gigantocraft™ : The Age of Arkania Nomad Medival Nomad Medival Ciscos Dragonfyre - NFN Official Ciscos Dragonfyre - NFN Official Arcane Dragons [NEOFORGE] Arcane Dragons [NEOFORGE] Skybound Origins Skybound Origins World's Coliding World's Coliding SamuraiAdventure SamuraiAdventure Rhinocraft Rhinocraft Survive from VERITY or FALSITY Survive from VERITY or FALSITY ReCraft S8 Project infinity 0.1 ReCraft S8 Project infinity 0.1 SharpSharp RPG SharpSharp RPG

External Resources

CurseForge Modrinth