A. Mulero

I finally fixed it with JS. Thank you!

Thank you very much for your response! I just fixed it, it was a problem related to the Members plugin.
Kind regards

One note, when I try to access the url to add a new download, it shows me the message that I do not have enough permissions.

Sorry for the delay, thank you very much for the answer!
Kind regards

Thank you very much for the reply.
These are my reminders: https://ibb.co/0GQ3209
I will also activate the manual option. Thank you!

Thank you very much for the reply! The error came indeed from a second plugin. Everything works fine now.