On Tuesday, 12 May 2020 at 09:29, Loris Bennett wrote: > The Nextcloud instance at work is version 15 and is accessible via the > browser, but there was some outage recently and some server-side > tweakage may also have occurred while things were being fixed.
I don't know if this is related but a recent point release to nextcloud caused problems with an OPTIONS directive that org-caldav-sync uses. A subsequent bug fix has corrected this but may not have been incorporated in your server yet. See https://github.com/nextcloud/server/issues/20624 The provider I use for calendar services had to manually patch their instance of nextcloud to get it working again for org-caldav-sync. -- : Eric S Fraga via Emacs 28.0.50, Org release_9.3.6-577-gb171ff