Amending tax return: amend return button does not work

I paid for Turbotax in 2024 and filed my 2023 tax return. I have just become aware that I need to amend my return. When I logged in to Turbtotax and clicked on my tax documents, I found the button that allows me to amend last year's return. When I click the button that says "amend using Turbotax online" nothing happens. I am not sure why it is not working. Do I need to purchase Turbotax again in 2025 to be able to amend last year's return? What am I missing?