since the update to lde app 17.07.90 kontact does start x@linux-9vc6:~> kontact kontact: symbol lookup error: /usr/lib64/libkmailprivate.so.5: undefined symbol: _ZN8KSieveUi15VacationManagerC1EP7QWidget [1:1:0100/000000.612903:ERROR:broker_posix.cc(41)] Invalid node channel message x@linux-9vc6:~>
sorry it is "kde app" instead of "lde app" and "kontact does not start" instead of "kontact does start"
it's a problem with your distro you need to update libksieve too
libksieve version is 17.07.90 i found that kontact is still 17.04. perhaps this is the prtoblem ?
it's the problem yep
https://bugzilla.opensuse.org/show_bug.cgi?id=1052500
no more problem since a new update