Importing a csv. file

Hi Webflow users. I’be been recently trying to create an e-commerce website and I got a problem with importing a csv. file into Webflow e-commerce. I got a template and adjusted my data so that I could actually import data into the CMS. However, when I created additional fields (one line of text regular field) and added a row to my google table, which would be regarding that extra field and tried to import, I got that same mistake again. How do I import that info to e-commerce CMS?