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    2,055,424 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
    How it worksMalware we foundAPIAboutPrivacyTermsContact

    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    The Error (Horror)

    Mod

    A horror mod where a strange error follows and hunts you.

    C76/ 100
    • OverviewC
    • SecurityPassed
    • PrivacyNone found
    • AIAI images
    • CompatibilityUp to 1.21.8
    • ModpacksIn 13
    • ReleasesLatest 15 Oct

    Download

    theerror-2.4-neoforge-1.21.8.jar

    Released 19 Jun 2026 · 15.8 MB

    Passed: our checks found nothing harmful in this file.

    Download
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade C

    How grades work

    Strengths

    • Security checks passed

    Points lost

    • No source code link−7 points
    • First release only 7 months ago−4 points
    • No public issue tracker−3 points
    • Releases in only 7 of the last 24 months−1 point
    • Releases replaced within 3 days to fix a problem−1 point
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      1 point lost26 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.9 days ago (15 Oct 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.1.21.8 on NeoForge, 1.20.1 on Forge. 65% of the 995 popular NeoForge mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 7 of the last 24 months 5 / 6

    • Stability

      1 point lost21 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.1 of the 6 modpacks with two or more versions removed it in a later one (17%) 10 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.3 of its 19 releases in 2 years needed a quick fix (16%) See the 3 releases6 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      10 points lost0 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.No link on the project page 0 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.37,050 3 / 4

    • Track record

      4 points lost4 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.7 months, 21 releases 4 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 3 latest files for recent Minecraft versions. See Security
    Total76 / 100

    54 of the 71 points that apply = 76 out of 100.

    Images

    • 2026-06-19_22.58.49.png
    • 2026-06-30_17.39.18.png
    • 2026-06-30_17.39.48.png
    • 2026-06-30_17.40.05.png
    • 2026-06-30_17.40.38.png
    • 2026-06-30_17.41.43.png

    About

    The Error (Horror) turns Minecraft into an unsettling survival experience where a mysterious Error may briefly appear or remain to follow, torment, and hunt you. Unexplained messages appear in chat, while the corrupted dimensions lead through increasingly twisted spaces with endless hallways and strange architecture. A vanilla-style flashlight helps you navigate the darkness, and reaching the deepest parts of the dimensions leads to a final boss fight. Progression takes you through multiple dimensions: defeat the Error to obtain an item for crafting the Error Cube and entering the first, then use loot and crafted items or interact with a desk in the white dimension to advance; defeating the boss lets you return to the Overworld.

    Written from Modrinth and CurseForge . How we write it

    In-game changes

    Adds 45 blocks, 34 items, 8 mobs, 4 biomes, 4 dimensions, 5 structures, 1 painting, 49 recipes, 5 loot tables and 24 sounds.

    Counted from the names and data files in the mod, so the list may not be complete.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Details

    Creator
    Ender29550
    License
    All rights reserved
    Downloads
    37K
    Created
    31 Mar 2026
    Official pages
    Modrinth , CurseForge
    Links
    Discord

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    What it can do on your computer

    Connects to the internet
    It has code that can go online, for example to check for updates, load skins or send crash reports. Only in its files for Forge 1.20.1. See Privacy

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 3 latest files checked, last on 17 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      3 latest files: the newest file for each Minecraft version and loader. All 3 are for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      Folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 3 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 3 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    AI was used for its images

    OpenAI gpt-image is named in the images in its files.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 6 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      19 of 39 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      3 images name OpenAI gpt-image in their data, such as 826fecdd-417a-428b-9f11-09c54bc91928.png
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Nothing found
      25 sounds read
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      85 code files read

    Compatibility

    See all 21 files
    NeoForge
    Forge
    1.201.2126.126.3

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Needed in your game and on the server, or you cannot join.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.Its newest file is for 1.21.8. It has no file for the 2 newer Minecraft versions. It also supports 1.21.1, a version many recently updated mods still support.

    Modpacks using this project

    Find modpacks with it

    Modpacks that include The Error (Horror) in at least one of their versions, most downloaded first.

    ModpackDownloadsLast version with it
    The idol pack3.8K downloadslast version with it 23 Jun 2026Ghost Pig Beyond the Fog477 downloadslast version with it 20 Aug 2026Chronicles of the 634363 downloadslast version with it 23 Sep 2026Achoo's Multiplayer Horror344 downloadslast version with it 30 Jun 2026The Old Horror336 downloadslast version with it 8 May 2026Don't Look Back The Last Night238 downloadslast version with it 23 Aug 2026IM INSIDE - A Analog Horror Survival Pack178 downloadslast version with it 21 Jul 2026Keep your eyes open.91 downloadslast version with it 25 Jul 2026The Horror Awakens81 downloadslast version with it 9 Jun 2026ITS TOO LATE68 downloadslast version with it 13 Jul 2026
    1 to 10 of 1312

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    1.21.8·NeoForge2.42.4 · theerror-2.4-neoforge-1.21.8.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.21.1·NeoForge3.0.1-Port3.0.1-Port · theerror-3.0.1-Port-neoforge-1.21.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge3.0.13.0.1 · theerror-3.0.1-forge-1.20.1.jarSends: None foundRequires:NothingPassedOur checks found nothing harmful in this file. Its code was read too.

    21 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge3.0.1-Port3.0.1-Port · theerror-3.0.1-Port-neoforge-1.21.1.jar (main file)·15 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 24.9 MB
    1.20.1The latest file for its Minecraft version and loader·Forge3.0.13.0.1 · theerror-3.0.1-forge-1.20.1.jar (main file)·15 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 25.5 MB
    1.21.1·NeoForge3.0-Port3.0-Port · theerror-3.0-Port-neoforge-1.21.1.jar (main file)·11 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 24.9 MB
    1.20.1·Forge3.03.0 · theerror-3.0-forge-1.20.1.jar (main file)·11 Oct 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 25.5 MB
    1.21.1·NeoForge2.7.1.beta.port2.7.1.beta.port · theerror-2.7.1.beta.port-neoforge-1.21.1.jar·15 Sep 2026PassedOur checks found nothing harmful in this file. Its code was read too.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 30.0 MB
    1.20.1·Forge2.7.12.7.1 · theerror-2.7.1-forge-1.20.1.jar (main file)·26 Aug 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.6 MB
    1.20.1·Forge2.72.7 · theerror-2.7-forge-1.20.1.jar (main file)·17 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 30.7 MB
    1.20.1·Forge2.62.6 · theerror-2.6-forge-1.20.1.jar (main file)·15 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.3 MB
    1.20.1·Forge2.5.22.5.2 · theerror-2.5bugfix2-forge-1.20.1.jar (main file)·14 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.2 MB
    1.20.1·Forge2.5.12.5.1 · theerror-2.5bugfix1-forge-1.20.1.jar (main file)·3 Jul 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.2 MB
    1.20.1·Forge2.52.5 · theerror-2.5-forge-1.20.1.jar (main file)·30 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 34.2 MB
    1.21.8The latest file for its Minecraft version and loader·NeoForge2.42.4 · theerror-2.4-neoforge-1.21.8.jar (main file)·19 Jun 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 15.8 MB
    1.20.1·Forge2.42.4 · theerror-2.4-forge-1.20.1.jar (main file)·19 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 16.4 MB
    1.21.8·NeoForge2.32.3 · theerror-2.3-neoforge-1.21.8.jar (main file)·17 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 15.7 MB
    1.20.1·Forge2.32.3 · theerror-2.3-forge-1.20.1.jar (main file)·17 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 16.3 MB
    1.20.1·Forge2.22.2 · theerror-2.2-forge-1.20.1.jar (main file)·9 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.9 MB
    1.20.1·Forge2.1.12.1.1 · theerror-bugfix1-forge-1.20.1.jar (main file)·8 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.9 MB
    1.20.1·Forge2.12.1 · theerror-2.1-forge-1.20.1.jar (main file)·6 Jun 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 13.9 MB
    1.20.1·Forge2.02.0 · theerror-2.0-Release-forge-1.20.1.jar (main file)·31 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 10.7 MB
    1.20.1·Forge2.0.02.0.0 · the-error-2.0-Beta-forge-1.20.1.jar (main file)Beta·30 May 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthNot on CurseForgeDownload · Beta · 8.0 MB
    1 to 20 of 2112

    Quick fixes

    In the last 2 years, 3 releases needed a quick fix: a new release within 3 days to fix a problem. This lowers the grade by 1 point.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.3

    • 2.717 Jul 2026…light physics - remade some textures - fixed some bugs - made the error more scary
    • 2.615 Jul 2026…from my other mod (vanilla flashlite) - fixed some bugs - added a jumpscare sound
    • 2.1.18 Jun 2026Fixed some fps problems in the dimension