@TeamYouTube What’s the deal with this? It happens a lot to me whenever I try to like a video. I’ll click on it days later and it won’t register that I liked it. Here, I have a video. Look how I like the video, and it doesn’t register.pic.twitter.com/twEhTPJxJq
That's definitely strange behavior! Just to confirm, have you tried signing out of the app and sign back in? Here's how: https://goo.gl/5LqkY2 . Also, try uninstalling and reinstalling the app to see if that makes any difference. Keep us posted.