'How to solve, 'Failed to load resource: the server responded with a status of 502 ()' error when I'm trying to reach my website?

I've created a WordPress site using Elementor. people who are not from India and visiting the site for the first time can see the content but being the developer I'm not able to fix Elementor error, attaching image for reference. This is the issue image that Elementor is throwing

Secondly I'm attaching the site preview This is the image of my site, when I'm hitting the url

Thirdly console saying This is the console of the website

Any idea how can I get rid of these errors. Thank you.

I've already tried few video from youtube that says try to deactivate and activate the plugins that you've used, but none of that worked for me



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