There are no related technical issues for sub counts. Fluctuation in subscribers count is normal. Here's a Help Center article which has more info about this: https://goo.gl/croiE1 . Hope this helps!
@TeamYouTube
Hi, I have a bug in my channel, the bug, yesterday I got 93 subs on my channel, but for no reason, today dropped to 86 subs, can you solve this bug? Please
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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