In the first reply, you asked for log files. I am still new to NS8 and as such have no idea where to look for log files. Having said that, I retried the process after deleting my first attempt.
A notice showed up (I can’t get a screenshot) that reads as follows:
You can watch the logs at the System logs page, see System logs — NS8 documentation
So it’s possible to follow the logs and retry the synchronisation.
Maybe there are wrong credentials set to access the internet calendar?
It seems this error occurs when the caldard/carddav syntax isn’t correct.
You could try to create a test addressbook in Nextcloud with just a few contacts and then check if the sync is working.
Maybe one of the contacts causes the error.
Thanks for the note of where to find the logs. Will learn/follow it up.
I had an idea. I just tried something… we are using Cloudflare DNS and the host name for nextcloud was proxied via Cloudflare. So I just changed it to remove the proxy via DNS so that the ping showed the actual IP instead of the proxy IP.
It worked in just a couple of seconds.
We can basically say that it is now a working option - but now I am curious why proxied DNS entries would cause webtop to hiccup whereas cell phones and desktop apps (e.g. evolution) were fine…
I am not sure that would warrant consideration as a webtop bug?
Maybe the DNS proxying doesn’t work correctly because the traffic comes from the local server which isn’t the case using the cell phone or other clients.
You could try to use the IP 127.0.0.1 or localhost instead of the hostname when connecting to the addressbook.