Hello, @Naomi,
Actually, in the Appearance >> Widgets >> Pre Footer Area >> there is a block set and the block was no longer published that’s why the issue appear so I removed the block from there: https://postimg.cc/3ygfDbzK and your issue is resolved. check the image: https://postimg.cc/Fkfj0Y1j
Please check back to your site after clearing the browser cache.
Regards 8Themes Team.