Comment 4 for bug 546781

I have just submitted a KDE bug report including a stack trace from calling
  plasmoidviewer adjustableclock
here:
https://bugs.kde.org/show_bug.cgi?id=237234

However, the developer notes that it is probably a package fault:
http://kde-look.org/content/show.php/Adjustable%20Clock?content=92825