Always online feature not working in cloudlare

we have hundreds of websites with more than 40 plus different host and some websites untouched for years started to throw errors like 520 errors and always online
there are websites and hosts we havent touched with dedicated servers managed by us fully and just stopped wokring from linode to AWS to google cloud all effected

A post was merged into an existing topic: Cloudlare is unstable from few days and its a disaster