We'd like to help. What device are you using? Also, have you checked our Help center article on 'Recommended upload encoding settings': https://goo.gl/2HrZK8 ? It gives you more insights on it. Keep us posted.
Hmm, to help the right team better investigate, please login to the account experiencing the issue & send a feedback report directly from YouTube: https://goo.gl/WdI0BK . You may not receive an individual response, but the details will help us identify & fix any issues.