Proxmox: 5@324 Unknown failure occured

Attempting to create a new VM with H-A using the provided script (bash -c "$(wget -qLO - https://github.com/tteck/Proxmox/raw/main/vm/haos-vm-v3.sh)"), but getting:

        _    _          ____   _____
       | |  | |   /\   / __ \ / ____|
       | |__| |  /  \ | |  | | (___
       |  __  | / /\ \| |  | |\___ \
       | |  | |/ ____ \ |__| |____) |
       |_|  |_/_/ v3 \_\____/|_____/

Using Default Settings
Using Version 8.3
Using VM ID 105
Using VM Name haos8.3
Using 2vCPU
Using 4096MiB RAM
Using Bridge vmbr0
Using MAC Address 00:60:2F:1F:43:61
Using VLAN Tag NONE
Start VM when completed yes
 ✓ Using local-lvm for Storage Location.
 ✓ Virtual Machine ID is 105.
 ✓ https://github.com/home-assistant/operating-system/releases/download/8.3/haos_ova-8.3.qcow2.xz
 ✓ Downloaded haos_ova-8.3.qcow2.xz
 ✓ Extracted KVM Disk Image
 - Creating HAOS VM...‼ ERROR 5@324 Unknown failure occured.

pvesm status -content images | awk 'NR>1' returns:

local-lvm     lvmthin     active      1311555584       196339870      1115215713   14.97%