My website can't open. I couldn't understand why?

[cloonan]

403 is linked to a tip

Community Tip - Fixing Error 403 Forbidden

Error Try the suggestions in this Community Tip to help you fix Error 403 Forbidden. Background A 403 Forbidden Error is a client side error that means that the client sent something the origin was unable to process. With the exception of requests that violate WAF rules or subdomains that are not covered by a certificate, Cloudflare does not generate any 4xx errors, so this would indicate something is not configured correctly with your hosting provider or your client is sending something inco…

The tip suggests turning off BIC and also mentions cf does not generate 403 errors