Site Can’t be Reached all of a sudden after simply editing content

Hello – I started adding and editing content on a family members WordPress site earlier today and everything was going smoothly. All go a sudden, while adding some drop down text fields to an Elementor form on an existing page, everything stopped. I updated the additions but couldn’t view the website live or the wp admin anymore – on my laptop it keeps showing that the site can’t be reached & that it took too long to respond. On my iPhone it simply doesn’t load and says the server stopped responding.
Any idea what I did?

 

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