Assistance on mass uploading DB via PostgreSQL and Heroku

We have a django app we wanto to update all the data in it , however when trying to import the CSV file into the PostgreSQL table . We encountered the below issues:

Issue 1 : succesfully updated , however detail info states : COPY 0
Issue 2 : when manually updating single line in Table DB . it does not save it.

Once solve, I would need assistance on uploading teh data into the Heroku app. (Please keep in mind we will be working with sensitive data)

I looked already for different solutions through Stackoverflow and none did work. So we may be spending a bit of time tryig to figure things out.

I uploaded images of errors on the files tab