Exporting all contacts for a user "NotFound File not found: addressbooks in 'root'"

Server
1

Hi, I tried:

https://DOMAIN.TLD/owncloud/remote.php/caldav/addressbooks/users/ben/contacts?export

and got

3.0.9 Sabre\DAV\Exception\NotFound File not found: addressbooks in 'root'

Any ideas?

2

I think its:

https://DOMAIN.TLD/owncloud/remote.php/dav/addressbooks/users/ben/contacts?export