pm2 error

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I tried to autostart MM2 using pm2 & it actually even worked once (from here ).

But Now it doesn’t even start.

here is the data from the log file.

[STREAMING] Now streaming realtime logs for [mm] process
0|mm       | Initializing new module helper ...
0|mm       | No helper found for module: compliments.
0|mm       | No helper found for module: currentweather.
0|mm       | Initializing new module helper ...
0|mm       | Initializing new module helper ...
0|mm       | No helper found for module: random_quotes.
0|mm       | Initializing new module helper ...
0|mm       | Initializing new module helper ...
0|mm       | All module helpers loaded.
0|mm       | Starting server op port 8080 ... 
0|mm       | Server started ...
0|mm       | Connecting socket for: updatenotification
0|mm       | Connecting socket for: calendar
0|mm       | Starting node helper for: calendar
0|mm       | Connecting socket for: newsfeed
0|mm       | Starting module: newsfeed
0|mm       | Connecting socket for: MMM-Remote-Control
0|mm       | Starting node helper for: MMM-Remote-Control
0|mm       | Connecting socket for: MMM-SystemStats
0|mm       | Connecting socket for: stocks
0|mm       | stocks helper started ...
0|mm       | Sockets connected & modules started ...
0|mm       | Xlib:  extension "XInputExtension" missing on display ":1.0".
0|mm       | Xlib:  extension "RANDR" missing on display ":1.0".
0|mm       | Launching application.
0|mm       | Xlib:  extension "XInputExtension" missing on display ":1.0".
0|mm       | Xlib:  extension "XInputExtension" missing on display ":1.0".
0|mm       | Xlib:  extension "XInputExtension" missing on display ":1.0".
0|mm       | ERROR! Could not find main module js file.
0|mm       | ERROR! Could not find main module js file.
0|mm       | Create new calendar fetcher for url: http://calendar.google.com/calendar/ical/....ics - Interval: 300000
0|mm       | Create new calendar fetcher for url: http://calendar.google.com/calendar/ical/....ics - Interval: 300000
0|mm       | Create new calendar fetcher for url: http://localhost:8080/modules/Cals/FbBirthday.ics - Interval: 300000
0|mm       | Create new calendar fetcher for url: http://calendar.google.com/calendar/ical/e....ics - Interval: 300000
0|mm       | Create new news fetcher for url: https://news.google.com/news?cf=all&hl=en&pz=1&ned=in&output=rss - Interval: 300000

Something to do with this perhaps?
0|mm | ERROR! Could not find main module js file.