If your back office totally dies, you can decode the error messages in the docs as well, https://docs.thirtybees.com/troubleshooting/decoding-error-messages/
Hmm, github accounts are free. Just search this in your file, href="1" replace the 1 with a # clear your cache and test the image popups and make sure they still work, that is where the 1 is coming from.
I think the section you are looking at is the header of the html page, which is different from the header of the site. The area you are looking at is the area that loads the css and js files for each module, so they are needed to load the modules correctly.
@Fabsca Basically you are exceeding the resources your hosting company is giving you, so you would need to either upgrade accounts or move to a different hosting company.
Are you sure? Did you actually check the things that I mentioned? thirty bees has a specific function to not purge those files that prestashop purges under the performance settings.
I think we would need to see the actual server logs to see what people are trying to access. You might have some broken links, or links that are relative but are relatively wrong.