Radarr lxc "Unable to add root folder"

Hello, I'm having some trouble adding a root folder to my Radarr lxc instance.
Currently, I have a truenas instance running in its own VM with an NFS share called 'media'. In my proxmox host, I mounted the NFS share as 'truenas-media' and created a group 'media-group'. I gave 'media-group' (with gid 1200) access to the share via truenas. In the proxmox host, I added 'root' as a member of 'media-group' and I am able to access the NFS share properly via the proxmox shell.
I created a Radarr...

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