Indeed it does look like the nuclear bomb option and only do it last resource.
In case you need a Plugin to export all of your website, here is one that I used for ages and that has always worked [Click Me] .
I can also advice you to use the “Inspect” Google Chrome Tool in a page to see if you can see the Error Log and understand it better. I have had errors where a non closed comment was giving me issues publishings pages, articles and adding images, so that might be something to look out for!
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This reply was modified 6 years, 10 months ago by Miguel Dias.
Hi There!
Have you tried uploading the image via Classic Editor?
Hi there!
Have you tried reinstalling WordPress? Also, if I was you, I would e-mail your host and make sure that there is no issue with the hosting.
I’ll be waiting your reply and try my best to help you out,
Miguel.