Site showing Error establing a database connection

I was editing my website this afternoon creating a simple page for my privacy policy. When I published the page I received an error that said “Error establing a database connection” and this error appears for both the wp-admin and all other pages.

My site is

Any idea who I fix it please?

Many thanks,

Currently I can load your front end and backend with no issues though?

Screenshot any future issues.

If nobody fixed anything then it appears to fix itself after a while. Its just happened to me again and its when I am creating the same type of content I was working on last time it happened.

I am inserting a custom HTML block into a Wordpress page with an iframe in the custom html with this code:

This appears to break the database connection. Perhaps its having trouble getting to the source page.

Likely be the rate limiting above in the thread