In PC games, developer console is commonly opened by pressing ~ (tilde) key. The key is commonly placed directly below Esc key (in my keyboard layout § is on the place, has no effect). For me the console often doesn't open and I have to rebind keys or look for alternative methods, if supported.
I'm using the Sámi Extended (Nordic) keyboard layout:
Can this issue be caused by the keyboard layout? How could I open the in-game console?

§key? See Entering Cheat Codes with International Keyboards. – DavidPostill Jul 20 '17 at 19:36Økey. Or was it lower-caseö? actually, I am not sure – Yorik Jul 20 '17 at 20:48~) but rather a backtick (`). It might be configured as a dead key on some keyboards. On yours, it looks like shift+ the key left of your backspace. – Bob Feb 28 '19 at 13:01~, may have been an error. The question should be edited for accuracy. – user198350 Feb 28 '19 at 18:03