Issue installing Proxmox 7 on Dell R720 in UEFI mode.

I am having issues with installing Proxmox 7 on one of my DELL R720. The installation goes fine until it is setting up the bootload and then I get and error on the console:

Failed to write 'LoaderSystemToken' EFI variable: Invalid argument

Click to expand...

Searching for this issue give lots of results for arch linux but not during the install phase. Not sure how to proceed with this system.

This install is on a ZFS Raid 1 across 2 disks.

I have attached a screen shot of the console with the...

Read more