Warning on the Admin > WP-Optimize > Database page

When I have the plugin installed, I am seeing this Warning when I navigate to the database page:
Warning: Declaration of WP_Optimize_Notices::url_start($html_allowed, $url, $https = false, $website_home = ‘updraftplu…’) should be compatible with Updraft_Notices_1_0::url_start($html_allowed = false, $url = ”, $https = false, $website_home = NULL) in /home/customer/www/staging3.bomaniteoklahoma.bomanitelicensee.com/public_html/wp-content/plugins/wp-optimize/includes/wp-optimize-notices.php on line 0

The page I need help with: [log in to see the link]