Wordpress errors

Redeclare get_temp_dir() error

Error: Fatal Error: Cannot redeclare get_temp_dir() (previously declared in /home/public_html/wp-includes/functions.php:2160) in /home/public_html/wp-admin/includes/file.php on line 189

Solution: Reinstall all WP core files. To keep the plugins, themes and content. Just deleted WP-Admin and uploaded the fresh version and the same for the functions.php.

Source: https://wordpress.org/support/topic/upgrade-from-wp-314-to-wp-32-admin-error-cannot-redeclare-get_temp_dir

Blank Page

If you see a blank page it could be because the installer had wrong info or something is missing in htacces, this default htaccess could also help with people logging and wp permalinks working correctly