I tried California. Arizona. Colorado and others and it always throw error in input in chatgpt website and app
Our team is looking into what we can do to navigate around such blocks. We’d appreciate it if you could let us know the exact servers affected so we can document your report accordingly.
Meanwhile, consider trying a non-US based server, a different web browser or an incognito window to see if it makes a difference.
Probably because they are blocking it
They have a captcha check that appears usually after your first page load. It also “appears” in calls to their chat backend when you are on the page. It looks like an error but if you refresh the page you get the captcha.