I did find this in the cd MagicMirror???
pi@raspberrypi:~/MagicMirror $ pm2 log MagicMirror
[TAILING] Tailing last 15 lines for [MagicMirror] process (change the value with --lines option)
/home/pi/.pm2/logs/MagicMirror-out.log last 15 lines:
/home/pi/.pm2/logs/MagicMirror-error.log last 15 lines:
0|MagicMir | at tryModuleLoad (internal/modules/cjs/loader.js:506:12)
0|MagicMir | at Function.Module._load (internal/modules/cjs/loader.js:498:3)
0|MagicMir | at Module.require (internal/modules/cjs/loader.js:598:17)
0|MagicMir | at require (internal/modules/cjs/helpers.js:11:18)
0|MagicMir | Error: ENOENT: no such file or directory, open ‘package.json’
0|MagicMir | at Object.fs.openSync (fs.js:660:18)
0|MagicMir | at Object.fs.readFileSync (fs.js:565:33)
0|MagicMir | at Object. (/home/pi/MagicMirror/js/app.js:15:32)
0|MagicMir | at Module._compile (internal/modules/cjs/loader.js:654:30)
0|MagicMir | at Object.Module._extensions…js (internal/modules/cjs/loader.js:665:10)
0|MagicMir | at Module.load (internal/modules/cjs/loader.js:566:32)
0|MagicMir | at tryModuleLoad (internal/modules/cjs/loader.js:506:12)
0|MagicMir | at Function.Module._load (internal/modules/cjs/loader.js:498:3)
0|MagicMir | at Module.require (internal/modules/cjs/loader.js:598:17)
0|MagicMir | at require (internal/modules/cjs/helpers.js:11:18)