Incomplete email "Unexpected increase in errors for"

I am also receiving these errors, however, the email I receive doesn’t even provide a domain name…

One of your domains encountered an unexpected increase in both traffic and server errors (408, 502, …)
Learn more
On , one of your domains encountered an unexpected increase in both traffic and server errors (408, 502, 504, …)
Domain
Recent origin errors (30-day period)
Origin errors ()
Increase in server error rate
%
%
%
These errors indicate issues with your origin web servers, possibly caused by server overload, crashes, or network failures.

Such errors can negatively impact your business — resulting in poor customer experience, brand perception, and conversion rate.

It would be nice if Cloudflare could identify where there messages are being created? At the moment I have logged a ticket for this as an error but they have just pointed me to the forums!