Are you still encountering this issue (522 errors), @yulia ? What steps have you taken?
It appears that https://www.patchpets.com/ is currently down. It’s showing 521 error. Please follow instructions in this article (https://support.cloudflare.com/hc/en-us/articles/115003011431-Troubleshooting-Cloudflare-5XX-errors#521error) on how to resolve such error.