Thank you for your prompt response,
here is what is indicated at startup:
> magicmirror@2.2.1 start /home/pi/MagicMirror
> sh run-start.sh "dev"
Starting MagicMirror: v2.2.1
Loading config ...
Loading module helpers ...
No helper found for module: alert.
Initializing new module helper ...
Module helper loaded: updatenotification
No helper found for module: calendar_monthly.
Initializing new module helper ...
Module helper loaded: calendar
Initializing new module helper ...
Module helper loaded: MMM-MyCommute
Initializing new module helper ...
Module helper loaded: MMM-SoccerLiveScore
Initializing new module helper ...
Module helper loaded: MMM-soccer
No helper found for module: MMM-Globe.
Initializing new module helper ...
Module helper loaded: MMM-Remote-Control
No helper found for module: clock.
Initializing new module helper ...
Module helper loaded: mmm-suncalc
Initializing new module helper ...
Module helper loaded: MMM-NOAA
No helper found for module: mmm-wu-moonphase.
Initializing new module helper ...
Module helper loaded: MMM-Tools
Initializing new module helper ...
Module helper loaded: newsfeed
No helper found for module: MMM-Snow.
All module helpers loaded.
Starting server on port 8080 ...
Server started ...
Connecting socket for: updatenotification
Connecting socket for: calendar
Starting node helper for: calendar
Connecting socket for: MMM-MyCommute
====================== Starting node_helper for module [MMM-MyCommute]
Connecting socket for: MMM-SoccerLiveScore
MMM-SoccerLiveScore helper started...
Connecting socket for: MMM-soccer
Starting module: MMM-soccer
Connecting socket for: MMM-Remote-Control
Starting node helper for: MMM-Remote-Control
Connecting socket for: mmm-suncalc
Starting node_helper for mmm-suncalc:
Connecting socket for: MMM-NOAA
Starting module: MMM-NOAA
Connecting socket for: MMM-Tools
Connecting socket for: newsfeed
Starting module: newsfeed
Sockets connected & modules started ...
Launching application.
Create new calendar fetcher for url: https://calendar.google.com/calendar/ical/XXXX/basic.ics - Interval: 300000
Get league table for url http://api.football-data.org/v1/competitions/450/leagueTable
Create new news fetcher for url: http://www.leparisien.fr/actualites-a-la-une.rss.xml#xtor=RSS-1481423633 - Interval: 300000
Whoops! There was an uncaught exception...
TypeError: Cannot read property 'observation_location' of undefined
at Request.request [as _callback] (/home/pi/MagicMirror/modules/MMM-NOAA/node_helper.js:26:49)
at Request.self.callback (/home/pi/MagicMirror/node_modules/request/request.js:186:22)
at emitTwo (events.js:106:13)
at Request.emit (events.js:191:7)
at Request. (/home/pi/MagicMirror/node_modules/request/request.js:1163:10)
at emitOne (events.js:96:13)
at Request.emit (events.js:188:7)
at IncomingMessage. (/home/pi/MagicMirror/node_modules/request/request.js:1085:12)
at IncomingMessage.g (events.js:286:16)
at emitNone (events.js:91:20)
MagicMirror will not quit, but it might be a good idea to check why this happened. Maybe no internet connection?
If you think this really is an issue, please open an issue on GitHub: https://github.com/MichMich/MagicMirror/issues
Thanks for your help