I had copied the code on top from another topic, this is the actual message:

Warning: “continue” targeting switch is equivalent to “break”. Did you mean to use “continue 2”? in /customers/f/c/4/lesvignes.be/httpd.www/wp-content/plugins/revslider/includes/operations.class.php on line 2858 Warning: “continue” targeting switch is equivalent to “break”. Did you mean to use “continue 2”? in /customers/f/c/4/lesvignes.be/httpd.www/wp-content/plugins/revslider/includes/operations.class.php on line 2862 Warning: “continue” targeting switch is equivalent to “break”. Did you mean to use “continue 2”? in /customers/f/c/4/lesvignes.be/httpd.www/wp-content/plugins/revslider/includes/output.class.php on line 3708 Warning: Cannot modify header information – headers already sent by (output started at /customers/f/c/4/lesvignes.be/httpd.www/wp-content/plugins/revslider/includes/operations.class.php:2858) in /customers/f/c/4/lesvignes.be/httpd.www/wp-admin/includes/misc.php on line 1144