Sometimes, probably after last ubuntu upgrade, my keyboard doesn't work in this particular input:
I can paste, but I can't type. Keyboard works everywhere else. Sometimes it works even in menu, but mostly doesn't. How can I fix this? (I also can't take exact screenshot of KDE search/menu, because PrintScreen button closes menu and makes wrong screenshot of everything else, so I am using typical picture from the net here.)
This is my KDE version:
