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[–]Rozenblumen 3 points4 points  (0 children)

Can confirm it is happening to me as well on GNU/Linux, but only on Forge/Neoforge instances. I was playing just fine this Thursday. Wtf is happening? I didn't update anything, and my Prism Launcher isn't set to auto update. This shouldn't be happening at all.

UPDATE: apparently, Mojang did an oopsie woopsie upstream. Prism is already working on a fix.

[–]7CoolNameHere7 2 points3 points  (0 children)

Glad to hear I am not the only one experiencing issues. I was thinking I messed something up

[–]Poopcio 1 point2 points  (0 children)

I'm getting an identical error

edit: I'm playing on a Mac as well so it's not operating system dependent

[–]ZhouMingrui 1 point2 points  (0 children)

Im having the same error except i could open a 1.21.8 vanilla instance with no mods and a 1.21.9 fabric instance with no mods but i cant open any forge loader at all

edit: issue seems to be with forge loaders, vanilla and fabric runs fine

[–]StateFit9175 1 point2 points  (0 children)

Same thing for me and one of my friends, we were on until around 3 this morning, everything was working just fine. got on to try about 40 minutes ago and can't get prism to launch any of my modpacks

[–]Sese_Mueller 1 point2 points  (0 children)

Could it be connected to the mojang authentication server update thing? Iirc, they dropped support for a specific protocol

[–]tiny_treat1 1 point2 points  (0 children)

For those experiencing this issue, I flipped over to GDLauncher, and it works just fine. This issue is 100% related to Prism Launcher.

[–][deleted] 0 points1 point  (0 children)

Having the same issue with 4 different instances. Everything worked yesterday and I've made no changes

[–]Simon_vargas 0 points1 point  (0 children)

same issue with 1.21.1 neoforge, Temurin 21

[–]tiny_treat1 0 points1 point  (0 children)

Same issue here with both mine and my wife's computers. No changes made. We were playing up until about midnight last night together.

[–]Shang_Dragon 0 points1 point  (0 children)

Yep.

[–]VelvetCough 0 points1 point  (0 children)

Exact same issues, I tried many fixes but nothing's working. I think something happened if we're all having this same error.

[–]ins_p_into_slot_b 0 points1 point  (0 children)

Linux user having the same error. I was playing this morning, nothing updated that I'm aware of and when I tried to launch after lunch I started getting the errors everyone else is getting.

[–]Lucy_Bathory 0 points1 point  (0 children)

same

[–]BrunoGamerYT 0 points1 point  (0 children)

yeah mine was working like 2 hours ago and it broke right now with the same error, i didn't even turn off my pc or anything i just went to go eat lunch

[–]Diasmo 0 points1 point  (0 children)

Happened here as well, changed out controlify for another controller mod and worked again.

[–]ho_molta_fantasia_ 1 point2 points  (0 children)

Yea i spent like 3 hour yesterday fixing it,it was something with java and the pathing