Hello,
We have uploaded a screenshot from the Firefox browser in the private content area for your reference. As you can see, the sidebar is displayed and functioning correctly on the shop page of your website.
The issue you are experiencing might be caused by an outdated browser version or a browser extension that could be interfering with the website’s functionality. We kindly ask you to check the site on several other devices and browsers to verify the issue.
Should you require further assistance, please do not hesitate to reach out.
Best regards,
8Theme’s Team