Blank screen after moving WordPress to new server with same domain name

I think the active theme name is overridden .
Check the 'option_name' => 'current_theme' value in wp_options . Is the option_value the same as your active theme name?

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