User receiving duplicate notifications

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1

I have a single user who is receiving duplicate notifications, I’m not sure where to troubleshoot from here, any ideas? Thanks!

This image appears to be a screenshot of a list of new topics, likely from a blog or website, featuring a gold background and white text with some topics highlighted in blue. (Captioned by AI)
This image appears to be a screenshot of a list of new topics, likely from a blog or website, featuring a gold background and white text with some topics highlighted in blue. (Captioned by AI)1378×1224 147 KB