With the new software update, some pages on my website have broken. 
Author: CARLOS L.
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Yesterday I went to update some texts on my website; I exported the information to my web hosting provider in the same way I always do, and when I checked the result, certain pages of my website were broken. I don't know the cause of the error. I am attaching a photo of the files in my folder. In my opinion, I think there are duplicate files, but with different extensions.
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Hello,
I would recommend deleting all versions of the files of duplicate pages, and then re-exporting choosing the option to upload all files so that only the correct version is online, could you check the situation afterwards?
Author
First I tried doing what you told me and nothing. Then I tried deleting all the contents of the folder and exporting the page again, and the problem persists. Any ideas?
Author
Also, I have tried to upload a backup, and it has the same result
Hello,
when checking these pages in the preview, do you see errors there, or does it happen only after publishing?
What exactly happens, could you provide an URL as an example?
Thank you.
Author
I have realized what the error is. When I export the entire project after having deleted the whole folder, I noticed that not all the pages load.
Author
Here you have my web: NAD METAL S.L. if you go to the page "soluciones" for example, you can see it appears error 404
Author
here you have a photo of the map of my web
Author
Sorry, the other photo was wrong

Hello Carlos,
I could reach the page Soluciones when clicking the menu.
Could you please refresh the website with CTRL + F5 or clear the browser cache?
Thank you.
Author
Thanks Eric, it seems everything is okey now. Do you know what could have happened?
Hello Carlos,
it may be that you were still displaying an older version of the website stored in the browser's cache, leading to the error even though the .php page was now published and visible.