On Thursday 24 September 2015 12:04:57 you wrote:
> > Yes, can you check that the events in question have no URL as the ID?
>
> I'm sorry, I don't understand what that means.
Sorry for being brief. This issue might shed some more light onto it:
https://issues.kolab.org/show_bug.cgi?id=3049
Kind Regards,
Torsten