i was sent 5 time massage http://yt.be/help/feedback , but not reply below the issue, cannot subscribe my channel and when people search my channel they do not find my channel Error while subscribing to channel,https://twitter.com/TeamYouTube/status/1180385968639139840 …
Sounds like your channel is hidden, try re-enabling your channel using these steps: https://yt.be/help/icMX . If it doesn't help, send us a screenshot of what a user see when they try to search and subscribe to your channel.