"HTTP\/1.1 415 Validation error in vCard: REV MUST NOT appear more than once in a VCARD component
A deleted event of recurring events appears again after syncing it with DAVdroid (2.0.5 and earlier). All of my Android calendar apps (et al. Etar, Simple Calendar) show this problem, but none of my calendar programs (Evolution, Thunderbird) on my Linux machine.
Steps to reproduce:
Thanks for your report and the steps to reproduce!
I can’t reproduce the problem here. Can you please provide more verbose steps to reproduce (including the exact dates, recurrence settings etc.), information about the used CalDAV server, DAVdroid debug info (DAVdroid / Settings / Debug info) and verbose DAVdroid logs as described in [READ BEFORE POSTING] What’s required to diagnose a problem?