Please read the rules and FAQ before starting a new topic

Currently supported: All versions

Support & Bug Reports

Help with Forge goes here. Refer to Modder Support for help with Forge modding. You MUST read the FAQ before posting.

Followers

FAQ

744609 visits to this link

Start new topic

Issue with launching the game with Forge
Issue with launching the game with Forge

arnoleplusboo, September 11, 20232 yr
- didn't read faq
- 0 replies
- 3k views
arnoleplusboo

September 11, 20232 yr
The game crashed whilst initializing game "Concurrent Modification Exception:null"
1.20.1
The game crashed whilst initializing game "Concurrent Modification Exception:null"

GabiMusolino109, September 11, 20232 yr
- 0 replies
- 5k views
GabiMusolino109

September 11, 20232 yr
Разрабы дауны
Разрабы дауны

Выблядок, September 11, 20232 yr
- needs more info
- 1 reply
- 23.8k views
Paint_Ninja

September 11, 20232 yr
run.bat will not run with mods
1.18.2
run.bat will not run with mods

Rotwave, September 10, 20232 yr
- corrupt config file
- 1 reply
- 7k views
Paint_Ninja

September 10, 20232 yr
Error: java.lang.IllegalStateException
Error: java.lang.IllegalStateException

nataoao, September 10, 20232 yr
- didn't read faq
- 1 reply
- 5.5k views
Paint_Ninja

September 10, 20232 yr
Error: java.lang.IllegalStateException
Error: java.lang.IllegalStateException

nataoao, September 10, 20232 yr
- didn't read faq
- 1 reply
- 4.9k views
Paint_Ninja

September 10, 20232 yr
The game crashed whilst initializing game Error: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An un
The game crashed whilst initializing game Error: org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An un

Naluzom, September 10, 20232 yr
- didn't read faq
- 1 reply
- 1.5k views
Paint_Ninja

September 10, 20232 yr
Please help java.lang.IllegalStateException
1.20.1
Please help java.lang.IllegalStateException

Sandra Martin, September 10, 20232 yr
- needs more info
- 1 reply
- 8k views
Paint_Ninja

September 10, 20232 yr
Minecraft: Game crashed whilst rendering overlay.
Minecraft: Game crashed whilst rendering overlay.

Jupian, September 10, 20232 yr
- didn't read faq
- 1 reply
- 1.9k views
Paint_Ninja

September 10, 20232 yr
Game crash when im trying to lunch minecraft forge version 1.20.1 46.1.46 and 1.20.1 47.0.1
1.20.1
Game crash when im trying to lunch minecraft forge version 1.20.1 46.1.46 and 1.20.1 47.0.1

Traxex, September 10, 20232 yr
- 1 reply
- 4.5k views
Paint_Ninja

September 10, 20232 yr
Please help Error: java.lang.RuntimeException: null
Please help Error: java.lang.RuntimeException: null

Sandra Martin, September 10, 20232 yr
- didn't read faq
- 1 reply
- 3.3k views
Paint_Ninja

September 10, 20232 yr
oculus causes exit code one
oculus causes exit code one

Bryan Rooney, September 10, 20232 yr
- didn't read faq
- 8 replies
- 16k views
Bryan Rooney

September 13, 20232 yr
The game crashed whilst unexpected error Error: java.lang.NullPointerException: Unexpected error
The game crashed whilst unexpected error Error: java.lang.NullPointerException: Unexpected error

Energhost1st, September 10, 20232 yr
- didn't read faq
- 1 reply
- 5.2k views
Paint_Ninja

September 10, 20232 yr
[Help] Unexpected Error/ Client Crash
1.18.2
[Help] Unexpected Error/ Client Crash

Icesy, September 10, 20232 yr
- 0 replies
- 6.3k views
Icesy

September 10, 20232 yr
Using Apex Hosting for Custom Modded Server but Keeps Crashing on Start
Using Apex Hosting for Custom Modded Server but Keeps Crashing on Start

FalseRank, September 9, 20232 yr
- didn't read faq
- 1 reply
- 3.3k views
Paint_Ninja

September 10, 20232 yr
game crashes when i try to open the game
1.19.2
game crashes when i try to open the game

swaxys, September 9, 20232 yr
- optifine
- 1 reply
- 5.6k views
Paint_Ninja

September 10, 20232 yr
I have 21 mods on and it worked fine a few days ago, but now it's getting laggier. What to do?
I have 21 mods on and it worked fine a few days ago, but now it's getting laggier. What to do?

jazziethejazz, September 9, 20232 yr
- performance
- 1 reply
- 7.4k views
Paint_Ninja

September 10, 20232 yr
Surprise! Haha. Well, this is awkward
Surprise! Haha. Well, this is awkward

shinex3, September 9, 20232 yr
- didn't read faq
- 1 reply
- 5k views
Paint_Ninja

September 10, 20232 yr
Everytime when i try to enter in my server, hes crash
Everytime when i try to enter in my server, hes crash

vincehaiden, September 9, 20232 yr
- didn't read faq
- 1 reply
- 3.2k views
Paint_Ninja

September 10, 20232 yr
i am trying to join a server my friend made and i keep getting the error message
i am trying to join a server my friend made and i keep getting the error message

Bjcsquirrel, September 9, 20232 yr
- 0 replies
- 2.5k views
Bjcsquirrel

September 9, 20232 yr
org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered
org.spongepowered.asm.mixin.transformer.throwables.MixinTransformerError: An unexpected critical error was encountered

Ryftor, September 8, 20232 yr
- didn't read faq
- 2 replies
- 3.6k views
Ryftor

September 9, 20232 yr
failed to load datapacks on server startup
failed to load datapacks on server startup

qwerty883, September 8, 20232 yr
- 1 reply
- 3.6k views
qwerty883

September 9, 20232 yr
I can't get into my map anymore
I can't get into my map anymore

seriousfreezing, September 8, 20232 yr
- 0 replies
- 2.3k views
seriousfreezing

September 8, 20232 yr
Players can't join modded server 'book is null'
Players can't join modded server 'book is null'

Fuze9, September 8, 20232 yr
- didn't read faq
- 1 reply
- 4k views
Paint_Ninja

September 10, 20232 yr
Minecraft crashes everytime I play with mods
Minecraft crashes everytime I play with mods

nikita_08, September 8, 20232 yr
- didn't read faq
- 1 reply
- 3.2k views
Paint_Ninja

September 10, 20232 yr

Followers

IPS spam blocked by CleanTalk.

Announcements

Game crashing

Please read the FAQ and post logs as described there.

I split your reply to an old post into your own topic, you should not piggyback on an old issue when you are having problems.

By Ugdhar · 22 hours ago22 hr
Game crashing

I also have the problem that it cannot encode empty itemstack but turning of dynamiclights wont work
Caused by: java.lang.IllegalStateException: Cannot encode empty ItemStack
at TRANSFORMER/[email protected]/net.minecraft.world.item.ItemStack.save(ItemStack.java:409) ~[client-1.21.1-20240808.144430-srg.jar%23375!/:?]
at TRANSFORMER/[email protected]/net.minecraft.world.entity.projectile.AbstractArrow.addAdditionalSaveData(AbstractArrow.java:529) ~[client-1.21.1-20240808.144430-srg.jar%23375!/:?]
at TRANSFORMER/[email protected]/net.minecraft.world.entity.Entity.saveWithoutId(Entity.java:1723) ~[client-1.21.1-20240808.144430-srg.jar%23375!/:?]

By Sibonius · 23 hours ago23 hr
Mi mapa de journey map no carga las partes nuevas del mundo que exploro.

Please use English on the forums.

I would suggest getting in contact with the mod creator, and seeing if they have a solution. We are just a modloader that can be used to make mods. If a mod has a issue, it is generally suggested to get in contact with them. Maybe there is something up with the fact that Aternos is used and that they have a max cap on waypoints / loading features, but I am not too sure of that

By FinnT730 · Yesterday at 03:28 AM1 day
Silent Accord Mod Idea

Hello modders,

I have a detailed concept for a Minecraft mod called Silent Accord and I’m looking for a collaborator. I don’t have a budget, but I can provide a full design document and help with ideas, testing, and content.

The mod idea:

Every hostile mob (and most neutral mobs) has a rare neutral variant that is passive unless attacked.

Players can gain trust with these rare variants. Trust spreads only to the same species, while killing regular mobs lowers trust and increases fear in nearby regular mobs.

Rare variants are always neutral, even if you kill regular mobs.

Trust does not drift naturally — the world permanently remembers your choices.

Friendly rare variants can eventually help the player in combat or provide small rewards.

Normal spawn rates and difficulty remain unchanged.

Multiplayer is supported: each player has separate trust/fear levels.

Core Features in Detail:

1. Rare Variants

Unique visual cue.

Always neutral unless attacked.

Spread trust via “Trust Pulses” to nearby same-species mobs while alive.

2. Trust & Fear System

Killing 1–2 regular mobs → slight trust decrease.

Repeated killing → fear increases, regular mobs revert to hostile.

Trust spreads locally through rare variants only.

Permanent until changed by player actions.

3. Friendly Behavior

Rare variants and some influenced regular mobs can become friendly or protective.

Friendly mobs may assist the player against threats of the same species.

Trust must be earned and maintained.

4. Scope

Ideally includes every hostile mob and most neutral mobs across dimensions.

Can start with Overworld mobs only as version 1.0.

Why This Mod is Exciting:

Adds emotional depth and moral choice to survival gameplay.

The world reacts permanently to player actions.

Rare variants give players allies in dangerous areas without making the game easy.

Scalable: start small, expand to full world.

What I Can Provide:

Full design document with every mob, rare variant, and trust/fear rules.

Testing and feedback.

Creative input for visuals, names, and behaviors.

I’m looking for a modder who wants to collaborate on Silent Accord, starting with a smaller subset of mobs if needed. If you’re interested, I can send the complete design document so you can see exactly how it would work.

I’m really excited about this mod and think it could be something unique in the Minecraft community.

If you think of someone else who could help me, please let me know

Thank you for your time!

By Hemioafjr · Sunday at 01:40 PM2 days
Mi mapa de journey map no carga las partes nuevas del mundo que exploro.

Hacew un mes cree mi mundo en aternos y todo iba bien, hasta que empece a explorr nuevos lugares y el mapa dej+o de cargar, además de que se me borran los waypoints que pongo. Intenté descargar el mod en otro lado, actualizar la versión, borrar el mod y volverlo a poner, pero nada funciona. Mi mundo está muy avanzado y nno puedo borrarlo.

By Faustina · Sunday at 08:08 AM2 days

Subforums

38560 topics in this forum

Important Information

Configure browser push notifications

Chrome (Android)

Chrome (Desktop)

Safari (iOS 16.4+)

Safari (macOS)

Edge (Android)

Edge (Desktop)

Firefox (Android)

Firefox (Desktop)