since the update to kde app 17.07.90 kmail does not start x@linux-9vc6:~> kmail kmail: symbol lookup error: /usr/lib64/libkmailprivate.so.5: undefined symbol: _ZN8KSieveUi15VacationManagerC1EP7QWidget x@linux-9vc6:~>
The same here.
i found that version for kmail kmail application icons kmail lang is still 17.04 perhaps this is the problem ?
not the correct version
https://bugzilla.opensuse.org/show_bug.cgi?id=1052500
no more problem since new update