Slider suddenly dissappearing

Hi everyone,

I built a beautiful website and suddenly all my content had dissappeared, without doing anything. I managed to get the content back but my slider that was at the top of the page below the header is gone and I can’t get it back. The website was made in the Stockholm ‘Anders’ theme in version 4.5.2.

All settings for the slider seem to be right, but it doesn’t display.

Does anyone know what I need to check or do to get it back?

Thanks a million!