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This FAQ has many guides and solutions - reading this before asking for help could save you a lot of time, as it accounts for the vast majority of issues people run into that we're aware of but can't fix on our end. Supported versions and platforms We only support Forge here. We cannot help you with Fabric, Spigot, etc... We support all versions under the tiered support policy. Full support for 1.21.8, 1.21.5, 1.21.4, 1.21.3, 1.21.1, 1.20.6, 1.20.4 and 1.20.1 Legacy support for all other versions Minimal support for select versions (e.g. 1.20.3 - use 1.20.4 instead) More details here. Rules Piracy (aka "cracked launchers") and cheats (aka "PvP clients", "x-ray mods", etc...) are strictly forbidden here. When you need help, please always make a new thread. Do not post in old support threads. When making a new thread, you must include a link to your log on https://pastebin.com or https://paste.ee. Instructions on where to find this and how to upload it are in this forum post. Exit/error codes Here's a list of exit codes and what they mean: Error code 0: Someone clicked "Quit game" and the game closed successfully Error code 1 and -1: The game crashed, refer to the log and/or crash report for details Error code -1073741819: A game library crashed. Update your drivers and make sure you're using the right Java version Where can I find the debug.log and crash report? Official Minecraft launcher CurseForge app MultiMC/PolyMC/Prism launcher Where can I find the installer log? Where can I find the launcher log? Most of the time you don't need to share this, so only share it when asked by a support volunteer or when you're unable to find any debug.log or crash report. Official Minecraft launcher CurseForge app What version of Java do I need? | Minecraft version | Forge version | Java version | |-------------------|---------------|--------------| | 1.20.6 or newer | 50.x or newer | 21 | | 1.18 - 1.20.4 | 38.x or newer | 17 | | 1.17.1 | 37.x | 16 | | 1.16.5 or older | 36.x or older | 8 | How do I install Java? Windows macOS Linux How do I install the Forge client to the official Minecraft Launcher? How do I install the Forge server? Where can I find the forge.jar to start my server? Forge immediately crashes on launch without any mods installed, how do I fix it? Where can I find Forge mods? https://www.curseforge.com/minecraft/search?page=1&gameFlavorsIds=1 Make sure you download the right version of a mod for your Minecraft version. My game is lagging, how can I find the culprit? How do I update my drivers?

This has already been the de-facto standard for quite a while now, but figured it would be a good idea to properly formalise it and make it clear for everyone. TL;DR: You can ask and offer support for Forge on any MC version, as long as you're not demanding it from staff and can accept that older versions may receive less attention due to people moving on to newer, shinier things. Tiered support policy There are now essentially three tiers of support: full, legacy and minimal. Full support This tier has dedicated channels for help on the Discord, gets priority for documentation, new features and bugfixes, and is generally considered the main focus for Forge development and support. Triage actively ports and backports things as needed for versions within this tier where time allows. The MC versions covered by this follows the existing "LTS" system. In other words, the latest MC version and select versions before it are covered by this tier. We recommend people consider using the newest version possible, as it's likely to be fully supported for longer. Exact versions covered under the full support tier can be found near the top of the FAQ. Legacy support This tier is for older versions of MC that are no longer covered by the full support tier. This tier gets less attention, but is still supported to some extent. To be clear, this is not a "no support" tier, but it is not the main focus. You're welcome to ask for help, submit PRs and help out, but please be aware that you may not get a response as quickly as these versions are generally not as popular anymore and may not have as many people around to help. Staff may still choose to work on these legacy versions and help people, but please don't demand it from them. Please note that due to the nature of the old toolchains used for building legacy versions, developing mods using the default MDK may not work. We also cannot easily publish updates to some of these old versions without your help - if you're interested in fixing this, please reach out to us. Minimal support This is rare and usually only applies to versions of MC where there's no legitimate reason to be using them. A real-world example of this is 1.20.3, which had a data loss bug that was fixed in 1.20.4 shortly after. All mods made for 1.20.3 work on 1.20.4, so there's no reason to use 1.20.3. We will help you update to the fixed version instead, but that's about it.

Hello! I think what you made is awesome! Sadly, I do not have discord. But I hope we can become great friends later on! Have a blessed weekend!

For some reason I can't place anything inside smithing table on forge 1.20.1, it doesn't show up as a recipe for netherite either in the JEI menu.

Forge for 1.21.6 and newer uses EventBus 7, which is a major rewrite. You can read the migration guide here, this explains how to cancel events.

Honestly, the forums are a back burner thing. Not many people use it. Best option is discord. I know that I haven't looked at the forums for more then admin tasks in quite a while. You're also best off not following tutorials which give you code. Knowing programming and reading the MC/Forge code yourself would be the best way to go.

I myself am quite new to the modding scene, I started modding in February but have been in development hell a lot and have struggled to focus on one mod though I have been developing the current mod I've been working on since September and have made a lot of progress; during this time I have found a lot of helpful resources and have learnt a lot of things. 1. You can, I have had no Java experience previously and since modding have managed to be quite knowledgeable in Java. 2. Modding does not require massive teams, I and many others work alone, though having a team is certainly helpful in the modding process to get things done in a quicker and more organised way. 3. I absolutely have to recommend ModdingByKaupenjoe, he makes loads of tutorials for Minecraft from 1.16.5 and above with support for Forge, Fabric, and as of his 1.21 tutorials, Neoforge. These tutorials are really well made, covering almost every modding topic, (such as items, blocks, mobs, worldgen, etc.) and are pretty easy to follow, and Kaupenjoe always leaves the link to his GitHub repositories where you can view the code of that tutorial at your own pace as well as linking textures in the description of his videos for you to use. These forums are also quite good if you need help, though I have found that it sometimes takes a little while for a response but it is always worth the wait; from my experience the people on these forums have always been kind and helpful. There are also user-submitted tutorials that may be helpful as well. Using GitHub to search up a certain class that you are wanting to use in your mod is also quite helpful, the video I have linked goes into more detail. I would also recommend planning out your mod before you make it to have a clearer idea of how you want your mod to be, including sketches and annotations are also a good idea for this. It has helped me make progress a lot quicker when programming as I already know how I want things to look/act. I hope all this information helps!

Oh yes, the chameleon was the problem not sure why but it works without him, thanks!

I have a problem that I'm facing. Lets say you have a Modded server with AE2 or any other mod. Lets say you place a AE2 Block like you make a whole network. Then one day you decide to remove AE2 from your mods folder. You play the game and your blocks are gone. Then one day you want to add AE2 back but your blocks are gone forever. I need a mod that saves blocks and their block data even though its been removed. I have a server that oscillates from Modded to Vanilla every other day. And it's crucial to save modded block data. This also would apply for entities and items. Yeah that's basically it I don't know how easy it is to make a mod like that. Where the block/item/entitiy data doesnt get remove but thats currently what i need. Also if possible maybe create a temporary block replacement there until the mod has been added back.

Ive thought of something like this myself a while ago. Maybe it's something I could take on.

Try replacing implementation with minecraftLibrary. Dependencies in the minecraftLibrary configuration are added to your compile and runtime classpaths in ForgeGradle 6.

Also make a test without jeresources and jei

And without allthetrims?

I have downgraded it to before March 2025 as that's when Create 0.6 updated. It seemed to work, tysm!!

I found another reddit thread that said updating both bclib and better end to the most recent versions for 1.20.1 fix it, and it worked.

Eagler Network Survival Custom Enchants Limited Items Economy Leaderboards Afk Rewards Skyblock Missions Levels Co-op Economy Upgradeable Generators Oneblock Clasic Oneblock Co-op Levels Leaderboards We have more game modes coming soon Discord: https://discord.gg/8EtvFjDBPy Eagler : wss://play.eaglernet.net Java : java.eaglernet.net

Add the mod Embeddium

Go to the config folder and open the secretroomsmod.cfg At the bottom, you will find: # Check for mod updates on startup B:update_checker=true Change it to false: # Check for mod updates on startup B:update_checker=false

Make a test without all Create addons

thx you saved my multiplayer world

Thanks for the quick reply. It worked! Thank you!

The config of UnionLib is invalid Delete the config of it (config folder) - if there is no change, try other builds of UnionLib

Add crash-reports with sites like https://mclo.gs/ Remove the mod watut

The older version of create on forge Did work! I guess if I want create 6.0, I have to use neoforge or fabric then

ty!

I have no idea Remove mods one by one or in groups

i just removed the mod and it's not crashing anymore, but if it is that mod then they really need to fix this issue.

Did you work with Worldedit before the crash? If yes, set max-tick-time to -1 in your server.properties If not, make a test without this mod

Online forums in general seem to be declining in popularity imo. There’s still value here for certain types of content, such as written tutorials and blog posts which would otherwise get lost in the chat history fairly quickly on Discord. Also for those that prefer the forums format ofc. But for faster support related topics, I agree that the Discord is probably your best bet at the moment. The speed of responses is also down to the ratio of volunteers - the player support forum still seems pretty active, but the coding ones much less so. Once you’re feeling more confident in your modding skills, be the change you want to see

Thanks mate.

Looks like an issue with ScorchedGuns - backup the world and make a test without it

this fixed the issue, thank you

Hi, I've been having trouble trying to use forge as it shows a black screen when I open the game, but I can still interact with it and hear the music. I've done all of the step by steps and most common fixes like updating drivers, keeping up to date with Java, deleting and reinstalling minecraft, restarting my computer MANY times, even smaller things like splash.properties (I didn't have that file so I added it and set it to false thinking it would do something, definitely not) and making sure to prioritize my rtx 3070 in the settings but with no luck. Minecraft works as intended when I uninstall forge and I also don't have any mods currently, it just gives me this issue when I install forge. I also increased the ram usage, made sure my hardware isn't full or anything, and even changed the resolution in hopes it would fix things. I checked my antivirus and firewall but that isn't the issue either. Trust me, I've done everything I can think of. For some reason the black screen does flicker a little into the main menu, but obviously unplayable. I couldn't even make my way to the settings with how little it flickered. I'm not sure if it flickered randomly or if it was because I was messing around moving and clicking a bunch, I didn't really test it that much.

I fixed it!

Looks like supplementaries is conflicting with the mod spawn

Add crash-reports with sites like https://mclo.gs/ Make a test without the mod Roundabout - looks like a client-side-only mod Remove it from the server, keep it in your client

How do you create a forge fake player. Also what sort of things can I do with the fake player. A few questions about forge fake player --------------------------------------------------- Is it possible for me to kill it once its job is done? Can I add items into its hand, as in make it hold an item ? Can other entities detect that is an entity?

The Advanced Solar Panels and the IC2 build are not matching - try different builds of these mods until you find a working combination

This did work. rip Quark Thank you

That looks like it!

Fabric explains it a bit here, Forge needs to provide a guide for 1.21.3 since the examples are Fabric specific: https://fabricmc.net/2024/10/14/1212.html EDIT: This seems to work but I don't know if this is the proper way to do it. Truly an annoying change especially if you have lots of items and blocks: Old: public static final RegistryObject<Item> ITEM_EGG = ITEMS.register("egg", () -> new Item(new Item.Properties())); New: ITEM_EGG = ITEMS.register("egg", () -> new Item(new Item.Properties().useItemDescriptionPrefix().setId(ResourceKey.create(Registries.ITEM, ResourceLocation.parse("modid:egg"))))); Neo also has more on the topic: https://neoforged.net/news/21.2release/

Fixed with using older version, thank you TileEntity

seems to be working now tysm!

removing aether redux worked, thank you! curseforge also just updated and the old modpack i tried worked again so idk what that was all about

That fixed it, thank you for your help. Never would have figured that one out on my own. Dunno why my computer decided that newer versions of modded Minecraft are the only thing it won't use my Driver for, but it did. Thanks again!

Make a test without culturaldelights and farmersdelight

Remove BetterNether and BetterEnd. Had the same problem.

if this is your path to java 17 the run.bat file should look like this: // here should be the "@echo off" line and the "REM" lines "C:\Program Files\Java\jdk-17.0.4\bin\java.exe" @user_jvm_args.txt @libraries/net/minecraftforge/forge/1.19-41.0.61/win_args.txt %* pause

Mate, I tried something in here and it worked, I don't know how, but it did. First thing to do. Open the Curseforge Launcher and click on Play, on the Modpack you are trying to Run. On the Launcher screen (this one: ) click on "Installations" and then Edit it. Click on "More Options" and redefine the JVM Arguments on there. Click Save and try to launch it. For me it worked, idk if it will work for you...

...just have the effect apply per every ___ ticks. I.e. do effect if player's tick count % 40 is 0