Hi there,
This error can be linked to a few issues but we will be working to resolve it as best as possible. The solutions are a bit technical and therefore if you do not have such experience I would recommend reaching out to your hosting provider https://my.godaddy.com/help/contact-us for their expertise.
If you are able to navigate the WP files we can use the information from the following link https://my.godaddy.com/help/contact-us
Additionally, you can always migrate your website to WordPress.com to get 24/7 support from our Happiness Engineers.
Waiting for your reply.