FBalduin

Can you post a Screenshot? Inbox-Error: Maybe in your personal-section the e-mail settings are invalide.

-created a pull request and just delete "vendor"; we have to install composer -is there a reason to let "vendor" in github? Same Problem is here: https://apps.nextcloud.com/apps/dashboard/releases?platform=12#12 In this zip...

-Problem can fix with: locale: OC.getLocale().substr(0, 2), -- instead of "lang" in https://github.com/nextcloud/dashboard/blob/master/js/calendar.js Next week i will offer a pullrequest to close this issue and issue #7