I'm trying to save the mixer settings as indicated in the "9.3 Backup" manual, but the saved file does not appear! But the process of preservation visually occurs.
What should I do?
There is something on your computer causing the issue. Best to create a support ticket.
https://support.presonus.com/hc/en-us/articles/210050813-How-to-create-a-new-Support-Request-