Can anyone help me with a liquid error customers are not able to click on or view my items

Hi I am having a liquid error message when I try to click on the items on my page. It is displaying "liquid error in tag section product template is not a valid section type. How do I fix this?

I am having an error on my Shopify Store whenever I click on an item it is saying liquid error error in tag section product template is not a valid section type. How do I fix it?