@TeamYouTube hi I cannot upload any banner on my channel. I’ve always seen this warnings. What should I do?pic.twitter.com/5Sbm7U0MF3
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I’ve tried saving the image to both but there is no way except online storage account. Page is giving directly “sign up” button. I’ve checked the website you sent. The problem still continues 
Sorry to hear you're still having trouble – have you tried editing your channel art on a different browser? Make sure that your browser is up-to-date. Keep us posted!
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