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It would appear your resources are not in the proper place, named incorrectly, or missing files. I would highly suggest setting up data generators, and not writing your json files by hand, as doing so eliminates these errors. There are examples of data generators on the internet, as well as the MinecraftForge github. Link to datagen docs: https://docs.minecraftforge.net/en/1.21.x/datagen/ This page explains resource locations and where to place things if you insist on doing it manually: https://docs.minecraftforge.net/en/1.21.x/concepts/resources/#ResourceLocation

I apologize in advance if the translation sounds unnatural, as I'm not very good at English. As a beginner, I managed to run runClient in my own MOD and display items in-game by watching videos posted on YouTube. However, the item images did not appear. Since there's no one in Japan who can help me, I humbly request your assistance. I thought checking the directories and image names within IDEA might solve it, but... I committed the src of my mod to Git. If anyone has time to take a look, I'd be very grateful. https://github.com/ZousanElephant/noob-mod

Add the crash-report or latest.log (logs-folder) with sites like https://mclo.gs/ and paste the link to it here

Caused by: org.spongepowered.asm.mixin.injection.throwables.InvalidInjectionException

Cracked launchers are not supported

Hey so i tried to install a modpack on an Exaroton server (didn't work), so I decided it's best to download the mods I wanted one by one. After I finished all of that and doenloaded them onto my device the server started to load, followed by a huge crashlog, as to why it cannot start. I use Tlauncher, could that be a reason? (i allowed cracked on the server options) Link to crash log, please help. :) https://mclo.gs/B97MSwP

Wow, that looks pretty epic!

i deleted it and it works now tysm!!

Delete the curios-server.toml file in your config folder If there is no such file, check your worldsave, serverconfig folder

https://mclo.gs/nmircqi

NO ENTER IN THE GAME☹️

Also add the latest.log

It is an issue with valkyrienskies Try the latest build: https://www.curseforge.com/minecraft/mc-mods/valkyrien-skies/files/7460881

Use the latest build: https://www.curseforge.com/minecraft/mc-mods/lightmans-currency/files/7468814

Hii, when I try to go into my main survival world I get this error, but with my creative world it works just fine!! Idk how to fix the errors so pls could someone help ^^ https://mclo.gs/QQQbxnH

Forge 1.20.1 Client Log [#Gg0CEx7] - mclo.gs cof cof

For some reason I am having a crash issue with my custom pack. It seems to insist that Lightman Currency is the issue, is it actually lightmans or is there a different mod incompatibility. latest.log: https://gnomebot.dev/paste/mclogs/gKQ4Oo4 crash-2026-01-17_12.38.47-client.txt: https://gnomebot.dev/paste/mclogs/aLUEHoo crash_assistant_app.log: https://gnomebot.dev/paste/mclogs/3FicpsE modlist.txt: https://gnomebot.dev/paste/mclogs/d1wVcgW

Hi, when i start playing cobbleverse in the 1.21.1 version, the game crashed: link of the crash I dont know what can i do, please help

These forums are for MinecraftForge, Neoforge has it's own support site/discord, you would be better served looking for help there.

We detected an error in stderr_stream.log about duplicated packages: Modules mixinextras.neoforge and MixinExtras export package com.llamalad7.mixinextras.sugar.ref to module crabbers_delight_expand This error means mods are exporting packages with the same name to the game, while only one can be loaded. Basically, this either means the same mod is present twice, or there is a dependency conflict. You have 2 ways to fix this crash: 1) [RECOMMENDED SOLUTION] Keep only one of the mods listed below, and report the issue to both mod authors. They should relocate it or use jarInJar for their dependencies. 2) [TEMPORARY FIX] This is not recommended: it sometimes works, sometimes doesn't, and can cause unexpected issues. Open the mod as an archive and delete the 'com.llamalad7.mixinextras.sugar.ref' folder in all mods listed below except one. Mods containing the mentioned package: aether-1.20.1-1.5.2-neoforge.jar!/META-INF/jarjar/mixinextras-forge-0.2.0-beta.9.jar!/META-INF/jars/MixinExtras-0.2.0-beta.9.jar aether_protect_your_moa-1.20.1-1.0.0-neoforge.jar!/META-INF/jarjar/mixinextras-forge-0.2.0-beta.9.jar!/META-INF/jars/MixinExtras-0.2.0-beta.9.jar BadOptimizations-2.4.1-1.20.1.jar!/META-INF/jars/fabric-mixinextras-fabric-0.2.2.jar carryon-forge-1.20.1-2.1.2.7.jar!/META-INF/jarjar/mixinextras-forge-0.2.0-beta.6.jar!/META-INF/jars/MixinExtras-0.2.0-beta.6.jar celestial_core-1.5.6.jar!/META-INF/jarjar/mixinextras-forge-0.2.0-beta.8.jar!/META-INF/jars/MixinExtras-0.2.0-beta.8.jar enhanced_enchanting-1.2.2.2-forge-1.20.1.jar!/META-INF/jarjar/mixinextras-neoforge-0.5.0.jar twilightdelight-2.0.17.jar!/META-INF/jarjar/mixinextras-forge-0.2.0-beta.8.jar!/META-INF/jars/MixinExtras-0.2.0-beta.8.jar visuality-forge-2.0.2.jar!/META-INF/jarjar/mixinextras-forge-0.2.0-beta.6.jar!/META-INF/jars/MixinExtras-0.2.0-beta.6.jar

Yes, the same problem is exactly the same, I did everything right, I was tired of using chatgpt, I was already tired of checking all the options, the paths definitely don't match, and the code itself just doesn't see this file, I tried to check the logs, and everything is called and working, but it's not visible. Also version 1.21.5. Here is a piece of code: @Override public ResourceLocation getModelResource(GeoRenderState state) { return ResourceLocation.fromNamespaceAndPath( LiskaMod.MODID, "geo/liska" ); } I tried different ways of writing paths, but more than one did not help. Here is my path to the file that cannot be found: "src\main\resources\assets\liskamod\geo\liska.geo.json" And here's the damn mistake itself: Caused by: java.lang.IllegalArgumentException: Unable to find model file: liskamod:geo/liska If anyone knows what the error is, please tell me! I will be very grateful.

To Replicate: use "summon minecraft:snowball ~1 ~ ~ {Motion:[1.0d,1.0d,0.0d]}" in a command block followed by "execute as @e[type=minecraft:snowball] run data modify entity @s Motion[1] set value 0.5d" even the slow speeds have issues.

Any non-mob based entity (arrows, snowballs, items, fireballs are mostly ok) that has their Motion updated by any source that isn't by use of the item itself causes the client to not properly update the entity position. The server updates the entity without issues but the client lags behind a good half second. This causes a teleporting motion. Please fix

Do you have java installed? How are you trying to open the installer? Does it do anything at all when you try? Does it generate an installer log?

hi. When I try to open the installer, I can not please help me