R3GEN

Sorry for replying so late, I've just been able to try and reproduce this now with your setup, it was useful. It looks like this might have been fixed in...

Does a modpack like FTB Chocolate do this as well? What happens if you remove kubejs-ui/all kubejs mods from the mods? Make sure to post your logs on FTB Chocolate...

Can you navigate to `c:\Windows\System32\Drivers\etc` and open the `hosts` file with Notepad? Delete any lines no starting with `#`, then save the file. Then, make sure any VPNs are turned...

@Mootze Could you try to delete the file at `kubejs/config/defaultoptions.txt` as well as the file `options.txt` (on the root of the modpack folder)? Then start FTB Chocolate and let me...

I see, I'm not sure what the issue is in that case, I'm running out of suggestions... If you remove all mods from the `mods` folder, does the game launch?

Sorry been mostly unavailable these past days... This issue is a really tough problem, I've spoken with Sunekaer more about it but we haven't got any clue... The pack is...

Interesting, I've looked at the debug and seeing this error message: `[13:57:12] [Render thread/ERROR] [minecraft/Minecraft]: Failed to verify authentication com.mojang.authlib.exceptions.AuthenticationException: com.mojang.authlib.exceptions.MinecraftClientException: Failed to read from https://api.minecraftservices.com/player/attributes due to Connect timed...

Hi @Mootze, I've been mostly unavailable recently as well, I apologize. It seems I might be unable to properly help you fix this into the FTB App... This is the...

Did a little googling, looks like that's a bit of a silly error: `This is due to corrupt code in IC2.` `Its because IC2 has some Haloween mobs set to...

Please leave this issue opened! We'll get to fixing this eventually in all those older packs. Having the issue opened also helps other players see the workaround when searching issues...