It's a known problem that is being worked on.
As a workaround you can download them directly from https://mods.factorio.com and put them in the mods folder manually.
Thank you. I was unaware that it is a known issue. I hunted around for a post about it but couldn't find one. And I was under the ...

I have had a "Notice: download failed" error when trying to update and/or install mods since .13.10. I have uninstalled all mods and even reinstalled the game from scratch. Since the devs have decided to remove the mods from the forums in .13.10 I have no way to access them. I have previously used ...

"Notice - No entity prototypes are available for this building." I have had this bug multiple times. I am currently stuck in a factory about 1 hour in. This started happening a couple of days ago in 13.4x. And is continuing through up to the current 13.5. At first I could not put my finger on what ...

sckuzzle wrote:Press F5. What UPS are you getting?

Already stated it's not fps drops or lag. That is visible choppy play and it's not that. But just for clarity I'm running a stead 30(ish) ... and that's the same fps it was previously.

prg wrote:Hmm... you accidentally typed /c game.speed = .5?

lol not likely. But you did give me the idea to just double the game speed. I know it's not a real fix for whatever the problem is. But at least i can play without feeling so snail like until i figure out the problem.

So, im around 60 hours into one of my factories, and all of a sudden the whole game is moving at a snails pace. It's not lag or FPS drops. No choppy animations or anything. Everything looks smooth graphically, except everything (me, belts, bots, inserters) is moving at like 1/2 speed. No it's not ...

Hello!

Recently downloaded a mob-pack from Arumba's "Bobs Mods and more" series. It included this warfare mod that is giving me an error on game load. "_bobwarfare_/data.lua:51: _bobwarfare_/prototypes/technology/tank.lua:1: attempt to index firled 'tanks' (a nil value)" I checked to make sure it ...