There are no related technical issues. Does someone else have access to your account? Is it the same across devices? Any screenshots would be helpful. Also, resubscribe to the channel and let us know if it changes again.
Replying to @TeamYouTube
This has been a reported issues for years, lots of subscribers tells me the same thing on a daily basis, youtube just unsubscribes people
7:39 AM - 12 Apr 2018
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