You've requested a page on a website (www.laregiontam.com.mx) that is on the Cloudflare network. Unfortunately, it is resolving to an IP address that is creating a conflict within Cloudflare's system. 1z5c4t
Please see https://developers.cloudflare.com//troubleshooting/http-status-codes/cloudflare-1xxx-errors/error-1000/ for more details.
If you are the owner of this website:
you should to Cloudflare and change the DNS A records for www.laregiontam.com.mx to resolve to a different IP address.