Hmm, is this also happening when they try to subscribe to your channel using desktop? If it is, they can try clearing their browser's cache and cookies–for mobile, they can try to uninstall and reinstall the app. Hope these steps work.
@TeamYouTube I have people who like my content and want to subscribe but they are getting this error message the one I circled I. Green can you fix this ASAPpic.twitter.com/mV9gexAA8e
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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