(In reply to comment #7)
> It shows that the server encapsulates the VCARD inside a VCALENDAR, just
> like it did in its internal storage. That's incorrect and cannot be parsed
> by SyncEvolution: --export just dumps the data, but syncing needs to parse
> it and thus fails.
> 
> I've no idea why Radicale does this - please bring it up there and report
> back here.

hm. I can't reproduce. So while experimenting, I must have made some weird
requests or mixed things up. I guess the empty VCards are not a problem then.