#Unable to create instances for particular Minecraft versions

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plucky oriole
shell hillBOT
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Modrinth

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shell hillBOT
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Modrinth
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serene venture
sharp nova
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for me aswell

plucky oriole
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Outline of the issue
When creating a new instance on the Modrinth app the setup process will fail with a HTTP 404 Not Found error message on particular older Minecraft versions. This issue is independent of which loader is selected (i.e. Vanilla, Forge, Fabric etc).

Why is this happening?
The going theory is that Mojang has changed the location of some older version files on their servers. This means that when the Modrinth app attempts to download the .jar file using the old file path it fails as the file cannot be found (hence the 404 Not Found).

Is there a fix?
Currently I am not aware of a workaround, but official support has been contacted so hopefully this should be resolved soon.

Reportedly affected versions:

  • 1.7.10
  • 1.8
  • 1.8.9
  • 1.12.x

Posts discussing similar issues:
https://discord.com/channels/734077874708938864/1422649712850501752
https://discord.com/channels/734077874708938864/1422667378797445150
https://discord.com/channels/734077874708938864/1422826597769019423
https://discord.com/channels/734077874708938864/1422954601979580554
https://discord.com/channels/734077874708938864/1423010413108400148
https://discord.com/channels/734077874708938864/1423040848085389322

wet storm
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Bump

plucky oriole
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Unable to create instances for particular Minecraft versions

high pulsar
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someone have news for this problem ? ty

plucky oriole
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still waiting on official support to reply, we should hear back later today.

exotic maple
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bumpity bump im dying out here i just wanna go back to my miserable skyblock no life ways

grim pivot
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Same here :)

plucky oriole
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Almost been 1.5 days and still no reply from official support, despite it saying 'replies within a day' at the top of the chat 🤣

wet storm
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Bump

jolly meteor
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Bump x2

molten oasis
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Bump x3

serene venture
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Bump x(derivative of f(x)=4x+2)

plucky oriole
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love that ^

shell hillBOT
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-# cornerdownright Command suggestion: </solved:1419635873284227106>

serene venture
dreamy otter
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hi guys help i cant play hbm 😭

plucky oriole
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Finally got a response this morning from official support, the developers have now been notified of the issue.

IMG_7146.png
jolly meteor
dreamy otter
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ill try make a 1.7.10 ill lyk

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nah not yet

dreamy otter
plucky oriole
dreamy otter
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hope it gets fixed i need to play hbm

dreamy otter
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any news yet?

plucky oriole
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As soon as I hear something I will post it here, since it took them about two days just to look at it I get the feeling it’s going to take a while.

dreamy otter
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damm

knotty obsidian
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same issue lol

dreamy otter
plucky oriole
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Its actually crazy that we are >3 days into this major fault and it still hasn't been fixed and I imagine that this would be quite a quick and simple issue to address. Either update the app with the new locations of the version files or download the version files and locally host them. As you have probably gathered still no further information.

shell hillBOT
plucky oriole
shell hillBOT
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-# cornerdownright Command suggestion: </solved:1419635873284227106>

plucky oriole
grim pivot
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ong im a big fan of modrinth but ye a little communication would be good

jolly meteor
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Ye...

light tree
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This is community support, e.g., Modrinth doesn't monitor these threads (use official support). We are aware of the issue and working on getting a fix out

limber viper
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.

jolly meteor
dreamy otter
grim pivot
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Well the official post has been made

serene venture
grim pivot
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ye the original poster of this thread alr made smt

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#1422557534941745214 message here

plucky oriole
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Unfortunately no updates on this issue today, but since yesterday Josh said the team was working to get a fix out for this asap hopefully it shouldn't be too much longer.

grim pivot
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i just got prompted to update modrinth and i was able to create a 1.12.1 instance on forge

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some1 try with 1.8.9 rq if possible

coral stirrup
grim pivot
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it prompted me to

coral stirrup
#

oh mb

grim pivot
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nw

coral stirrup
grim pivot
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did urs update?

coral stirrup
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yes

grim pivot
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hm weird

plucky oriole
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yeah mine updated a few hours ago and I thought it was going to be the patch, but unfortunately no

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it was a security patch

image.png
grim pivot
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ehh

gritty hound
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uh

grim pivot
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well just coincidence that mine worked ig

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btw what was that

gritty hound
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I made a fix but i can't share links

grim pivot
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ah

gritty hound
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I made a fix for anyone experiencing this error.

Manual Method
You need to go to your Modrinth app folder, then navigate to:
meta > libraries
You should end up with a path like this:
...\AppData\Roaming\ModrinthApp\meta\libraries

You need to manually add the missing library.

For example, if you get an error like this:
Error fetching URL: HTTP status client error (404 Not Found) for url (https://libraries.minecraft.net/org/lwjgl/lwjgl/lwjgl-platform/2.9.1/lwjgl-platform-2.9.1.jar)

Do the following:

Go to:
org > lwjgl > lwjgl

Create a folder named:
lwjgl-platform

Inside that folder, create another folder named:
2.9.1

Download the missing .jar file (in this case lwjgl-platform-2.9.1.jar) from google.

If the file has a different name, just rename it to match the one in the error message. Make sure it's the correct version.

ZIP Method
DM me so I can send you the zip (I can't share links here). Once you get the folder, just replace your original libraries folder with mine.

For your information, I'm using Windows 10 x64. If you have a different operating system, the zip might not work.

rotund laurel
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oh i see

gritty hound
rotund laurel
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yeah i was being dumb

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ty

gritty hound
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don't worry

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:)

rotund laurel
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wait theres already a jar in there

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do i still need to download or js rename

gritty hound
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twitch-platform has two folders inside 4.5 i think and 6.5

rotund laurel
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i dont have a 4.5

gritty hound
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what do you have?

rotund laurel
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just a 6.5

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oo wait i did it and got a different error

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maybe it fixed the first one and i have to go through one by one

gritty hound
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yep

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first i got jinput then the twitch ones

rotund laurel
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i got twitch then jinput

gritty hound
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it was twitch-external and twitch-platform not two folders in one my bad

rotund laurel
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i just got that one

gritty hound
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if you want I can share you my libraries folder so you replace those at once

rotund laurel
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wait it worked

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youre so goated for that ngl

gritty hound
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you're welcome

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and it isn't that hard I don't know why this error happens.

rotund laurel
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yeah i feel like this would have been like a 5 min fix on their part

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just make the files have the right names

coral stirrup
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does it alos work on win 11 ?

gritty hound
light tree
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We're going to be rolling out a fix for this today

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Just testing it rn

serene venture
plucky oriole
shell hillBOT
plucky oriole
light tree
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we were suppose to fix last night, but had to push an app update for some other issues disappointed_AE

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sorry guys

serene venture
gritty hound
dreamy otter
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is it done yet guys?

light tree
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We're shipping rn

grim pivot
dreamy otter
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pls tell meh

wintry wagon
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doesnt seem to work still

light tree
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Should be out 🙂

wintry wagon
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Indeed

light tree
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What do you guys think of the new app updater??

plucky oriole
shell hillBOT
plucky oriole
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^ I will leave this post open for the rest of today, just in case anyone does still have an issue after updating

limber viper
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works finally

shell hillBOT
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Modrinth
:white_check_mark: Thread archived

This thread was resolved automatically after inactivity.

wet vine
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still not solved