@TeamYouTube Every time I try uploading a custom thumbnail, it says “JSON failed output” or something like that, I have to use the YouTube Studio mobile app in order to have custom thumbnails
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Replying to @DaHeroOfTime64
That's definitely odd. Does this happen across devices? Also, try to clearing your browser's cache and cookies. Let us know if this makes a difference!
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Replying to @TeamYouTube
Does clearing browser cache/cookies mess with google auto sign in?
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Replying to @DaHeroOfTime64
Clearing cache and cookies affects Google auto sign-in but if you want to avoid that, you can consider using Incognito mode. Hope this clarifies!
8:01 PM - 6 Nov 2018
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