404 Not Found nginx on wp-admin

Try httpS:// mysite.com/wp-admin

If not then check with your hosting company if they are able to fix the issue. It could happen due to SSL (https redirects) or 301 redirects.

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