Make sure Beans is properly installed in your shop. Go to the Shopify integration page and click on uninstall.
Depending on the features you use on Beans, some pages might be automatically added to your store.
When you uninstall the app, you will need to delete those pages also. It is easy to achieve this with the Shopify page tool. Here is a detailed explanation on how to do: https://help.shopify.com/en/manual/online-store/legacy/pages