Google Sheets .csv

Hi some questions regarding issues I have importing and at all using google sheets.
When I import it to Adalo, as a .CSV, large parts of the information is missing?.. why and how can I fix this?

Also, when in the app I try to point a list to some information in one of the columns in my sheet, which has information in it, the list still appears blank?! This meaning when in preview mode or viewing the app on my phone there is nothing in set page where the list with information from my sheet should be…