Hey Maritta, a few questions to help us look into this! Are you having an issue using the YouTube app or while on a browser on your iPad? Also, do you see any specific error message? Let us know.
@TeamYouTube hi ,why I can’t watch YouTube on my old iPad 2 anymore, this started today,, please fix that 

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Hi ,, I use YouTube website on my old iPad, when I click on any video it says (safari cannot open the page because the address is invalid)
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