Format_Invalid when importing csv file of attendees in zoom webinar Hi allI have hosted webinars using the zoom platform for a couple of years with no issues.This week I hosted the first session of 2024 - I am on the Pro profile.When I attempted to import attendee emails and names into zoom, I received an error message saying format_invalid, described as rows. I am using the template that zoom supply for importing attendees.I have tried creating and saving the csv file in both numbers (Mac) and Excel with the same result.I am using a Macbook Air. Not sure of zoom version but believe it is up to date.If it makes a difference, I now live in France having recently moved from the UK.I have sent 2 tickets into zoom support without an answer. The last one was TS0536661.I tried sending myself a test confirmation email, and then used that content to send out an email to all the attendees.Some attendees were able to access the live webinar as a result, and many were not - they were asked by zoom to regi