I've never created a tournament, but it might not be a Chess.com thing but a browser issue. try closing all instances of the browser, and then reopening it and creating/editing the tournament. Or you could try using a different browser.
If neither of those work, then I'd say it's definitely a Chess.com issue.
Edit Tournament is not showing
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I don't know why but the edit feature is not appearing on my tournament. What am I doing wrong?
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