If you are unable to edit your Items list, you want to make sure that you uncheck an attribute setting from within the Design panel.
1. Go to Design on the gray navigation bar. Locate and go into the Page you’d like to edit the Items list from.
2. On the right-hand panel, select Page tab. Then select the Items content block and then click on the drop-down box, below the header, titled Images, Titles, Descriptions.
3. Uncheck the box titled Full details (all blocks).
4. Click on Save and then Publish when you are ready to take the changes live!