https://bugs.kde.org/show_bug.cgi?id=408179
--- Comment #37 from Nikita Sirgienko <warqu...@gmail.com> --- So I will recommend checks your Qt installation, because QDialogButtonBox exists since Qt 4.3, connected to slot via new connection syntax, which exists since Qt 5.6. -- You are receiving this mail because: You are watching all bug changes.
