maphy-psd

I have the same issue. If the adressbook is shared with a user, the birthdays events are created correctly, see #28533. So i investigated the occ dav:sync-birthday-calendar command. This runs...

In addition to my [last post](https://github.com/nextcloud/server/issues/29374#issuecomment-968334379), I investigated a little further. I have found three errors (see below) and a possible solution. Since I am not really familiar with CardDAV/CalDAV...

Here is a little minimal working example http://stackoverflow.com/questions/1057564/pretty-git-branch-graphs/25468472#25468472