请问大家在submission and esign时, 有没有碰到过不能提交?我总是受到以下的
error message
There was a technical problem while handling the request. If you need
assistance please contact the USCIS National Customer Service Center at 1-
800-375-5283 or 1-800-767-1833 (TDD for the hearing impaired).
非常感谢!