Okay, what is your question? How does the PHP Notice relate to the title “Website down”? A PHP Notice is never responsible for a website being down. Those are PHP fatal errors.
The cause of your website being down is the following
Catchable fatal error: Object of class WP_Error could not be converted to string in /web/htdocs/www.modalitademode.com/home/blog/wp-includes/rewrite.php on line 280
This has nothing to do with cforms2. It seems you have the original cformsII installed (from deliciousdays), which has serious security flaws. If you get your site running again, you should update to this fork: https://wordpress.org/plugins/cforms2
Ah ok, I was thinking that the error was caused by the plugin.
thank you for your explanation and your time!
Most probably it is some plugin that causes this. You should try to rename all the plugin folders to deactivate them and then one by one rename them to the original name and activate again. When you get the same effect, the last activated plugin is the cause.
