In a 1944 flashback, Zarada's killer, the one posing as a beggar, has coins belonging to the "Fourth leu" (RON) coinage which was introduced in 2005.
When Moldovan leaves the Rail Station and tries to get a taxi, you can see several modern cars such as an Iveco Van and a black Nissan X-trail.
Near the hotel where Moldovan lives appears, for several times, an ING Bank logo. This company was created in 1991, so it couldn't exist in 1978.
When Commisar Moldovean arrives at his hotel room "somewhere in Europe," the room is marked a non-smoking room and has a card key entrance, neither of which would exist in 1978.