@sdetweil No errors in developer mode. I have the following in pm2 log:

0|MagicMir | [07.02.2022 14:51.19.466] [ERROR] Whoops! There was an uncaught exception...
0|MagicMir | [07.02.2022 14:51.19.472] [ERROR] TypeError: Cannot read properties of undefined (reading 'length')
0|MagicMir |     at Class.getData (/home/pi/MagicMirror/modules/mmm-dropbox/node_helper.js:54:43)
0|MagicMir |     at Class.socketNotificationReceived (/home/pi/MagicMirror/modules/mmm-dropbox/node_helper.js:363:18)
0|MagicMir |     at Socket.<anonymous> (/home/pi/MagicMirror/js/node_helper.js:109:11)
0|MagicMir |     at Socket.emit (node:events:394:28)
0|MagicMir |     at Socket.emitUntyped (/home/pi/MagicMirror/node_modules/socket.io/dist/typed-events.js:69:22)
0|MagicMir |     at /home/pi/MagicMirror/node_modules/socket.io/dist/socket.js:466:39
0|MagicMir |     at processTicksAndRejections (node:internal/process/task_queues:78:11)

I realize this is an old thread, but I tried installing this module and all I get is “Loading…” on the Magic Mirror. Have tried 2 API tokens and several different folders including Dropbox root. No luck. Help?