“extra data after last expected column” while trying to import a csv file into postgresql

Question

I try to copy the content of a CSV file into my postgresql db and I get this error \"extra data after last expected column\".

The content of my CSV is

Answer 1

Not sure this counts as an answer, but I just hit this with a bunch of CSV files, and found that simply opening them in Excel and re-saving them with no changes made the error go away. IOTW there is possibly some incorrect formatting in the source file that Excel is able to clean up automatically.