MMM-JAST stopped updating a couple of days ago.

[plainbroke]

@KristjanESPERANTO
I had to remove and reinstall, just updating with git pull did not fix it, but the reinstall fixed it. Thanks for your efforts.
Much appreciated.

[sdetweil]

@plainbroke did you do an npm install after the git pull?

[plainbroke]

@sdetweil
Yes
npm ci
Like his read me says to.
Worked with reinstall so alls good on my mirror again.

[1a2a3a]

Ok, after git pull, had to do a npm ci and that fixes it!

[vgardenn]

Hi, I’m stuck at “Loading…” on this module as well. This is a new build I’ve been working on in the last week or so, first timer with MagicMirror so hopefully I’m not missing something obvious. I’ve not been able to get MMM-Jast to display any values at all, but I can get other modules working no problem.

I’m running the latest 2.10.3 version and I’ve removed and reinstalled it a few times, as well as completely reloaded my raspi device from scratch, but no luck. pm2 logs don’t show any errors, but I’m unsure what other logs to evaluate.

Here is my config. I’ve tried a bunch of different config options to see if anything kicks it into gear, including a completely bare config with just the example config from the README, but each attempt just shows “Loading”.

    {
      module: "MMM-Jast",
      position: "middle_center",
      config: {
        displayMode: "none",
        stocks: [
          { name: 'DJIA', symbol: 'DIA' },
          { name: 'SP500', symbol: 'VOO' },
        ]
        },
    },

[KristjanESPERANTO]

@vgardenn Interesting. Your config works on my system.

Please show us your system information (you can see it when you run npm run start) - and looks like this:

[2026-01-19 21:07:04.407] [INFO]  [systeminformation] 
####  System Information  ####
- SYSTEM:   manufacturer: Micro-Star International Co., Ltd.; model: MS-7D75; virtual: false; MM: v2.35.0-develop
- OS:       platform: linux; distro: Debian GNU/Linux; release: forky/sid; arch: x64; kernel: 6.17.13+deb14-amd64
- VERSIONS: electron: 39.2.7; used node: 25.0.0; installed node: 25.0.0; npm: 11.7.0; pm2: 6.0.14
- ENV:      XDG_SESSION_TYPE: wayland; MM_CONFIG_FILE: modules/MMM-Jast/config.demo.js
            WAYLAND_DISPLAY:  wayland-0; DISPLAY: :0; ELECTRON_ENABLE_GPU: undefined
- RAM:      total: 61884.49 MB; free: 52612.92 MB; used: 9271.57 MB
- OTHERS:   uptime: 60 minutes; timeZone: Europe/Berlin 

[vgardenn]

@KristjanESPERANTO Here is my system info from the npm run start output:

####  System Information  ####
- SYSTEM:   manufacturer: Raspberry Pi Foundation; model: Raspberry Pi 5 Model B Rev 1.0; virtual: false; MM: 2.34.0
- OS:       platform: linux; distro: Debian GNU/Linux; release: 13; arch: arm64; kernel: 6.12.62+rpt-rpi-2712
- VERSIONS: electron: 39.2.7; used node: 22.21.1; installed node: 22.21.1; npm: 10.9.4; pm2: 6.0.14
- ENV:      XDG_SESSION_TYPE: tty; MM_CONFIG_FILE: undefined
            WAYLAND_DISPLAY:  undefined; DISPLAY: :0; ELECTRON_ENABLE_GPU: undefined
- RAM:      total: 8062.92 MB; free: 7342.48 MB; used: 720.44 MB
- OTHERS:   uptime: 12 minutes; timeZone: America/Chicago 

This also highlighted an error I may have been missing in the pm2 logs output, so it may not be a module issue at all. I apologize if I had you looking at this and it was just an issue with my MM setup. I’ll start researching what this error means:

[2026-01-19 18:14:54.626] [ERROR] [app] WARNING! Config file appears empty, maybe missing module.exports last line? 
[2026-01-19 18:14:54.627] [ERROR] [app] WARNING! Could not load config file. Starting with default configuration. Error found: TypeError: userConfig.modules is not iterable 

[sdetweil]

@vgardenn show the last 5 lines of config.js
Compare to the sample in the same folder

What is this?

userConfig.modules

[vgardenn]

I’m unsure what that userConfig.modules is, from my googling it seems maybe related to node.js?

Here is the entire config.js. The last 5 lines look similar to the sample config:

let config = {
  modules: [
    {
      module: "MMM-MagicMover",
    },
    {
      module: "clock",
      position: "top_bar",
      config: {
	timeFormat: 12,
	displaySeconds: false,
	dateFormat: "dddd, MMMM D",
        }
    },
    {
      module: "weather",
      position: "top_center",
      config: {
	weatherProvider: "weathergov",
        type: "current",
	tempUnits: "imperial",
	roundTemp: true,
	showFeelsLike: false,
	colored: true,
	showSun: false,
	lat: "xxxxxx",
	lon: "xxxxxxx",
        }
    },
    {
      module: "MMM-Jast",
      position: "middle_center",
      config: {
	displayMode: "none",
	stocks: [
	  { name: 'DJIA', symbol: 'DIA' },
	  { name: 'SP500', symbol: 'VOO' }
	]
        }
    },
    {
       disabled: true,	
       module: "MMM-NowPlayingOnSpotify",
       position: "bottom_center",
       config: {
       	 showCoverArt: false,
         clientID: "<YOUR_CLIENT_ID>",
         clientSecret: "<YOUR_CLIENT_SECRET>",
         accessToken: "<YOUR_ACCESS_TOKEN>",
         refreshToken: "<YOUR_REFRESH_TOKEN>"
    	 }
    },
  ]
};

[sdetweil]

@vgardenn these lines are not at the bottom of your config file

/*************** DO NOT EDIT THE LINE BELOW ***************/
if (typeof module !== "undefined") { module.exports = config; }

Typically to start your MagicMirror journey
You copy the sample and edit the copy for your use

[vgardenn]

Well you called it correct, I did not start with the sample config and adding that missing line at the end of my config got this mod working as expected. I had grabbed the example config from documentation here assuming it was good enough and was off to the races.

Thank you very much for your help on this @sdetweil and @kristjanesperanto

[sdetweil]

@vgardenn cool. We’ll fix that

The MagicMirror install doc says