Error 525 when flexible in ssl/tls. Error too many redirect when full with blogger
This error is really confusing because Solution for 525 is flexible and tomany redirect is full for blogger in cloudflare Why Wait
Don’t wait for an answer, find it fast! Search for #CommunityTip error:
Example: #CommunityTip 521
The only way to fix this is to configure a proper certificate on your server.
I would suggest you pause Cloudflare for now (Overview screen, bottom right), fix your site so that it loads fine on HTTPS, and only once it does, then you can unpause Cloudflare.