Warning

I have the following warning on my admin

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/meltingmomentsofmadness.co.uk/public_html/wp-content/plugins/wp-optimize/includes/wp-optimize-notices.php on line 0

how do i resolve this?