Custom field disappeared from screen options

If you have ACF installed, they added a setting to disable Core’s Custom Fields to try to speed up editor page load time. To disable you can use this filter:

add_filter('acf/settings/remove_wp_meta_box', '__return_false');

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