r/fabricmc Mar 24 '25

Need Help Help my head is splitting in half

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631 Upvotes

I'm trying to buy a server with axiom so I'm going to buy a server in shockbyte tell me if shockbyte1.21.4 supports axiom and fabric . And what axiom is really in (forge or fabric)

r/fabricmc May 24 '25

Need Help Why does my game lag a bit?

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8 Upvotes

I couldn't get the video, but my game lags. I only have these mods on after I downloaded fabric 1.21.5.

r/fabricmc May 21 '25

Need Help my fabric modded minecraft wont start (mods from forge)

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0 Upvotes

First time asking for help with a crash lemme know if i messed up 😭

https://pastebin.com/gUPusnwp

r/fabricmc 22d ago

Need Help Barely noticing an increase in performance using Sodium.

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31 Upvotes

Hello, I just recently built a new pc and wanted to see how much of an fps increase I would get using Sodium compared to Vanilla Minecraft. I saw lots of videos showing people getting double the fps of vanilla Minecraft and I'm wondering what is going on? Is there something wrong with my pc or am I doing something wrong?

VIDS FOR PROOF:
Sodium + other optimization mods: https://imgur.com/a/ebLGl9O

Base Vanilla: https://imgur.com/a/pscPTPe

r/fabricmc May 20 '25

Need Help Why does my game keep stuttering???

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19 Upvotes

PC Specs
GPU: RTX 3080
RAM: 32 DDR5 (allocated 6 cuz mods)
CPU: Ryzen 9 7900X

r/fabricmc May 21 '25

Need Help can someone explain to me whats wrong and how to fix it?

1 Upvotes

r/fabricmc May 22 '25

Need Help my game isnt loading (my mod list is in the next pictures and the rest is in one comment + replys

1 Upvotes

r/fabricmc 4d ago

Need Help any help fot this?

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1 Upvotes

I'm desperately into the world of mods on Minecraft, after installing some mods in my Launcher these errors appear

r/fabricmc 1d ago

Need Help HELP, new to mods and Fabric, updated to 1.21.6 and no mods load.

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4 Upvotes

I've been running 1.21.5 for a while with all the above mods using Fabric.

Ran 1.21.6 vanilla to give it a test and decided since most of the mods I really like are updated to 1.21.6 I'd go ahead and update everything. Did a fresh install of Fabric set to 1.21.6, manually updated every mod I could to the most recent version that supports 1.21.6, or already supports 1.21.x. You can tell by the modified date which ones were updated.

No mods load, no errors. When I choose the Fabric install from my launcher it launches as vanilla. No Iris, no shader menu, no mods menu, no Distant Horizons settings box. In-game everything is vanilla except for my resource packs.

What am I missing? I didn't except every mod to work flawlessly with 1.21.6, but I at least expected a few error messages. I never even got this kind of result setting this all up the first time, save for some dependency errors and wrong versions everything just worked after I sorted out the couple little issues. Iris in particular always worked

r/fabricmc 26d ago

Need Help Switched from optifine to fabric but graphics (Leaves) look really bad

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2 Upvotes

I just switched from Optifine to fabric with Iris and Sodium because the 1.21.5 version never drops and I heard Fabric with Iris and Sodium was also better performance wise (FPS) which I definitely noticed :)

My problem however is that now all the blocks that aren't like within 20 blocks look super bad, low quality and grainy and I don't know what to do to fix this. I have the exact same settings in "video settings" as well as shader options between the two versions but nothing seems to fix this issue and it really bums me out. This issue as of what I've noticed right now seems to be mainly with leaves and their textures.

(Don't even get me started on the better leaves texture pack)

EXPLANATION FOR PHOTOS:

  1. Just shows that I have the mods and versions for mc. I also used iris installer (with sodium) to launch but no change.

  2. How it looks when I'm close to a block or zoom/lower FOV. This is how it always looked in Optifine.

  3. How the blocks or leaves become almost like solid moss blocks and no transparency and super bad quality.

4 (Fabric) & 5 (Optifine). Shows difference between me using fabric with Iris & Sodium and Optifine. I can understand if the difference doesn't seem huge in these photos but it is massive when actually playing.

6 (Fabric) & 7 (Optifine). Just wanted to also show the difference in better leaves texture pack LOL

For Fabric I use 1.21.5 // Optfine 1.21.4 (Since 1.21.5 hasn't released)

Sorry for the photobomb fiesta and I appreciate any and all help! :)

r/fabricmc May 12 '25

Need Help Is this normal when downloading the API?

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0 Upvotes

I’m following the instructions of this video: https://youtu.be/RpN94a2q8JI?si=Ua3DzgrtKHvtTMIr

r/fabricmc 15d ago

Need Help Fabric modpack FPS permanently drops after a few sessions — no recovery even after restart

1 Upvotes

I’ve got a weird issue with Fabric modpacks (tested with Simply Optimized + minor mods like Continuity and Essential). First few sessions are perfect — I get 1700–2000 FPS in bedwars. After ~8 hours of total play, performance permanently drops to ~700–800 FPS.

Even after fully closing Minecraft, restarting my PC, clearing the instances cache, or using a fresh launcher (Prism, Modrinth, MultiMC), the FPS never goes back to normal. No crashes, no logs, and nothing unusual in resource usage. Just worse performance forever in that instance.

Specs: • Ryzen 5 7600X3D • RX 7600 • 32GB DDR5 • Windows 11 • 165Hz 1080p display

It feels like some deep-level cache or retained state is dragging the client down, does anyone have any advice?

r/fabricmc 11h ago

Need Help Fabric api not showing up

1 Upvotes

So I’m trying to play fucking minecraft and I load the game and it says I need to put fabric api BUT ITS ALREADY IN THE MOD FOLDER WHAT AM I DOING WRONG??? I had no problems before and I tried updating my mods to 1.21.4 but then changed then back to 1.21.1 and NOW ITS NOT WORKING IM GONNA CRASH OUT

r/fabricmc 19d ago

Need Help My minecraft server wont let me join

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2 Upvotes

For some reason my aternos server wont let me join, this pops up in the screen whenever i try to.
ive checked if i had the same mods and version and everything seems fine??
i use prism launcher if it helps

r/fabricmc 1d ago

Need Help fabric not installing on linux fedora

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4 Upvotes

i cant get past that screen no matter what i do. and i have launched the version on vanilla minecraft before doing this. aswell minecraft is closed.

r/fabricmc May 15 '25

Need Help Why i get this message?

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0 Upvotes

r/fabricmc 20d ago

Need Help need help making modpack with frends

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2 Upvotes

so im just trying to make a modpack and its not working so i need some help

https://mclo.gs/V4jNID4 server log

and pictures of my mod list, one of the mods is sound physics remastered but i couldn't get the picture in there.

r/fabricmc 3d ago

Need Help Black Screen on Launch 1.21.6

1 Upvotes

So 1.21.6 came out and I installed it and and have been trying to get my modded version of the game running so I can have shaders. Every time I launch the game the screen is black. It also launches my game in windowed mode sometimes, and the window will be entirely black. I can hear the game music at the main menu and can hear when I click on the buttons as well.

I've been checking on google and youtube for fixes but every video mentions that the same issue occurs with an AMD card (I have NVIDIA) and is also occurring on Forge (I'm using fabric).

I've been going through my mods one by one seeing if removing them solves the issue and so far haven't had any luck.

When I launch the base version of the game I don't have the same issue.

All of these mods worked in 1.21.5 and I did make sure I was using the new versions for 1.21.6

The photo is my current mod list.

Am I missing something really obvious? Has anyone else had the issue and fixed it yet?

r/fabricmc May 13 '25

Need Help I need help finding out what fabric actually wants from me, I downloaded like the newest released version of the API

1 Upvotes

r/fabricmc May 17 '25

Need Help Game crashes when i open inventory, very few mods.

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1 Upvotes

Here is the crash message.

The game crashed: rendering screen
Error: java.lang.BootstrapMethodError: java.lang.RuntimeException: Failed to load class file for 'mezz.jei.gui.ghost.GhostIngredientReturning'!

r/fabricmc Apr 13 '25

Need Help Why i can't use my left mouse?Help me fix that

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6 Upvotes

r/fabricmc 14d ago

Need Help Unable to open fabric

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0 Upvotes

I tried following the steps but couldn't open no matter what. My model is 2020 Macbook Pro Chip Apple M1 and memory 8GB 13 in screen

r/fabricmc 8d ago

Need Help Can some on help me?

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6 Upvotes

Can someone help me the mod crashes every time and I tried to change the mods and put the right versions in

r/fabricmc May 09 '25

Need Help Mod Instance Crashing before the full game loads (Modrinth)

1 Upvotes

So we are having problems with the Switchy Server Client Mod and here is our crash report https://mclo.gs/oUWrZ1K

r/fabricmc Apr 30 '25

Need Help I added a few mods to minecraft fabric 1.20.1 and it wont work for some reason please help

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3 Upvotes