Wondering what I should do about these?
PHP Warning: mysql_real_escape_string(): A link to the server could not be established in /var/www/wp-content/plugins/contact-form-7-to-database-extension/ExportBase.php on line 452,
mysql_real_escape_string(): Access denied for user 'root'@'localhost' (using password: NO) in /var/www/wp-content/plugins/contact-form-7-to-database-extension/ExportBase.php
https://wordpress.org/plugins/contact-form-7-to-database-extension/