We'd like to look into this. Did you recently subscribe to these channels? If the sub button isn't showing "subscribed" try refreshing the page (sometimes there's a short delay). Otherwise, send us screenshots and details of what you're seeing and we'll go from there. Thanks!
While we can't confirm, please share more details in a feedback report using these steps: https://goo.gl/WdI0BK . That helps us identify and fix issues. Make sure you're logged into the account experiencing the issue when you send it in!