time limit

Hello,

I have this when i click on infinite seo

Warning: set_time_limit() has been disabled for security reasons in /home/www/3e8c0d101a4f3f00fba97552cd1d6fd3/web/wp-content/plugins/wpmu-dev-seo/wds-files/wds-sitemaps/wds-sitemaps.php on line 40