@karsten13 @sdetweil
So, restored ‘old’ version and update MM. No problem, only MMM-MyCalendar causes to stop MM. Disable MMM-MyCalendar and everything works fine. But…
When I update MMM-OnSpotify, than the complete MM is in English instead of Dutch. Also the colors of the Icons in the Calendar Module change from Red to default.
When I disable MMM-OnSpotify, than everything turns to normal (Dutch language and Red Icons in Calendar).
Strange thing, now I’ve to look why MMM-OnSpotify causes this issue.