Comments are in database, don’t show up in WordPress backend or frontend

Please make sure that you have turned on the comments and discussion from the screen options of the posts => http://prntscr.com/m8qac1

And also mark the check mark on the allow comments checkbox showing on the middle/end of the post pages => http://prntscr.com/m8qapd

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)