Hi, Thanks for the quick reply.
> Which kind of system is this? > > You have a mixup of stable and testing/unstable. This situation is not > supported. Its a stable system that I was upgrading to testing. It normally runs stable. The upgrade is incomplete because I was upgrading from inside a DE, and it wanted to pull the X server, so I was upgrading piecewise whilst trying to work. So yes, its incomplete. If this is an is an issue, please feel free to close the bug. > What is the exact error you saw? It looks like the message is from main.cpp:175-176, 175: KMessageBox::sorry(Q_NULLPTR, i18n("Kile cannot start as a recent version the Okular library could not be found.\n\n" 176: "Please install the Okular library before running Kile."), Thanks!