Error when trying to upgrade from 24.04 to 24.10

[Helionney]

Hello! I'm trying to upgrade to 24.10 and I get the following: "The EFI partition system cannot be used"

Your EFI partition system (ESP) cannot be mounted at /boot/efi.

How do I get around this problem ?

[deadsplash]

How are you upgrading? From the Kubuntu 24.10 installer or from the operating system?

[Helionney]

Through the system

[TinyTim]

Could you open a terminal and enter this command and post the results.
CTL ALT T - to open terminal.
lsblk -o +FSTYPE
Also post the results of your fstab.
sudo nano /etc/fstab
(it will ask for your password) hit enter, copy/paste that into your question.