I’m using openSUSE 20160329 KDE 5.5.5 and noticed that the Print Screen key no longer functions as it tries to launch ksnapshot. Ksnapshot, however, no longer exists and has been replaced with spectacle.
Solution:
https://bbs.archlinux.org/viewtopic.php?id=206600
https://bbs.archlinux.org/viewtopic.php?id=206850
and described here already as well
I just now updated Tumbleweed - kernel 4.5.1 - and print screen opens ksnapshot.
Well, if it does open ksnapshot, you cannot even have spectacle installed (it replaces ksnapshot).
So the question is: how exactly did you update?
Running “zypper up” or “zypper dup” should replace ksnapshot with spectacle.