Create new application telegram API – Always shows ERROR

I’m trying to register new app to use the Telegram API, but i’m aways getting ERROR message with no tips.

I fill the form and click submit and nothing happened:

And when click submit I’m getting error:

Nothing is shown in the browser console. What i’m doing wrong?
I also tried to do it on my vps.(No VPN at all) > Same Error
I also tried to do it on my android phone. > Same Error