I tried copy and pasting the link to the logout button but this error shows up:
LainaaAn Error Has Occurred!
Session verification failed. Please try logging out and back in again, and then try again.
It's very possible I messed up the link somehow, but can anyone tell me is making an <a href possible for logging out?
With some effort, depending on whether you're inside or outside of SMF... so where are you trying to make this happen?
Basic Logout Link:
<a href="' . $scripturl . '?action=logout;' . $context['session_var'] . '=' . $context['session_id'] . '">
I didn't want to just quote that because it really depends whether this is inside or outside SMF (e.g. using the API)