My site http://информационно-развлекательный-портал.рф in the zone of the .РФ (IDN-domains), address is specified in Cyrillic. Twitter supports authentication of users on sites in the zone of the .РФ ? In the application settings I pointed out http://информационно-развлекательный-портал.рф - didn’t help. What to do?
Error Validation failed: Неверный формат ссылки Неверный формат ссылки Something went wrong during your application creation.